共 50 条
- [1] Routine HIV testing in men who have sex with men: from risk to preventionCADERNOS DE SAUDE PUBLICA, 2017, 33 (04):Lara Redoschi, Bruna Robba论文数: 0 引用数: 0 h-index: 0机构: Univ Sao Paulo, Fac Saude Publ, Av Prof Mello Moraes 1721,Bloca A,Salas 103-105, BR-05508030 Sao Paulo, SP, Brazil Univ Sao Paulo, Fac Saude Publ, Av Prof Mello Moraes 1721,Bloca A,Salas 103-105, BR-05508030 Sao Paulo, SP, BrazilZucchi, Eliana Miura论文数: 0 引用数: 0 h-index: 0机构: Univ Catolica Santos, Programa Posgrad Stricto Sensu Saude Colet, Santos, Brazil Univ Sao Paulo, Fac Saude Publ, Av Prof Mello Moraes 1721,Bloca A,Salas 103-105, BR-05508030 Sao Paulo, SP, Brazildos Santos Barros, Claudia Renata论文数: 0 引用数: 0 h-index: 0机构: Univ Catolica Santos, Programa Posgrad Stricto Sensu Saude Colet, Santos, Brazil Univ Sao Paulo, Fac Saude Publ, Av Prof Mello Moraes 1721,Bloca A,Salas 103-105, BR-05508030 Sao Paulo, SP, BrazilFacciolla Paiva, Vera Silvia论文数: 0 引用数: 0 h-index: 0机构: Univ Sao Paulo, Inst Psicol, Sao Paulo, Brazil Univ Sao Paulo, Fac Saude Publ, Av Prof Mello Moraes 1721,Bloca A,Salas 103-105, BR-05508030 Sao Paulo, SP, Brazil
- [2] Repeat HIV testing, risk behaviors, and HIV seroconversion among young men who have sex with men - A call to monitor and improve the practice of preventionJOURNAL OF ACQUIRED IMMUNE DEFICIENCY SYNDROMES, 2002, 29 (01) : 76 - 85MacKellar, DA论文数: 0 引用数: 0 h-index: 0机构: CDCP, NCHSTP, Off Commun,Reprint Serv, Div HIV AIDS Prevent Surveillance & Epidemiol, Atlanta, GA 30333 USAValleroy, LA论文数: 0 引用数: 0 h-index: 0机构: CDCP, NCHSTP, Off Commun,Reprint Serv, Div HIV AIDS Prevent Surveillance & Epidemiol, Atlanta, GA 30333 USASecura, GM论文数: 0 引用数: 0 h-index: 0机构: CDCP, NCHSTP, Off Commun,Reprint Serv, Div HIV AIDS Prevent Surveillance & Epidemiol, Atlanta, GA 30333 USABartholow, BN论文数: 0 引用数: 0 h-index: 0机构: CDCP, NCHSTP, Off Commun,Reprint Serv, Div HIV AIDS Prevent Surveillance & Epidemiol, Atlanta, GA 30333 USAMcFarland, W论文数: 0 引用数: 0 h-index: 0机构: CDCP, NCHSTP, Off Commun,Reprint Serv, Div HIV AIDS Prevent Surveillance & Epidemiol, Atlanta, GA 30333 USAShehan, D论文数: 0 引用数: 0 h-index: 0机构: CDCP, NCHSTP, Off Commun,Reprint Serv, Div HIV AIDS Prevent Surveillance & Epidemiol, Atlanta, GA 30333 USAFord, W论文数: 0 引用数: 0 h-index: 0机构: CDCP, NCHSTP, Off Commun,Reprint Serv, Div HIV AIDS Prevent Surveillance & Epidemiol, Atlanta, GA 30333 USALaLota, M论文数: 0 引用数: 0 h-index: 0机构: CDCP, NCHSTP, Off Commun,Reprint Serv, Div HIV AIDS Prevent Surveillance & Epidemiol, Atlanta, GA 30333 USACelentano, DD论文数: 0 引用数: 0 h-index: 0机构: CDCP, NCHSTP, Off Commun,Reprint Serv, Div HIV AIDS Prevent Surveillance & Epidemiol, Atlanta, GA 30333 USAKoblin, BA论文数: 0 引用数: 0 h-index: 0机构: CDCP, NCHSTP, Off Commun,Reprint Serv, Div HIV AIDS Prevent Surveillance & Epidemiol, Atlanta, GA 30333 USATorian, LV论文数: 0 引用数: 0 h-index: 0机构: CDCP, NCHSTP, Off Commun,Reprint Serv, Div HIV AIDS Prevent Surveillance & Epidemiol, Atlanta, GA 30333 USAPerdue, TE论文数: 0 引用数: 0 h-index: 0机构: CDCP, NCHSTP, Off Commun,Reprint Serv, Div HIV AIDS Prevent Surveillance & Epidemiol, Atlanta, GA 30333 USAJanssen, RS论文数: 0 引用数: 0 h-index: 0机构: CDCP, NCHSTP, Off Commun,Reprint Serv, Div HIV AIDS Prevent Surveillance & Epidemiol, Atlanta, GA 30333 USA
- [3] Frequent HIV Testing: Impact on HIV Risk Among Chinese Men Who Have Sex with MenJAIDS-JOURNAL OF ACQUIRED IMMUNE DEFICIENCY SYNDROMES, 2016, 72 (04) : 452 - 461Liu, Yu论文数: 0 引用数: 0 h-index: 0机构: Vanderbilt Univ, Sch Med, Vanderbilt Inst Global Hlth, Nashville, TN 37212 USA Vanderbilt Univ, Sch Med, Vanderbilt Inst Global Hlth, Nashville, TN 37212 USAQian, Han-Zhu论文数: 0 引用数: 0 h-index: 0机构: Vanderbilt Univ, Sch Med, Vanderbilt Inst Global Hlth, Nashville, TN 37212 USA Vanderbilt Univ, Sch Med, Div Epidemiol, Dept Med, Nashville, TN 37212 USA Vanderbilt Univ, Sch Med, Vanderbilt Inst Global Hlth, Nashville, TN 37212 USARuan, Yuhua论文数: 0 引用数: 0 h-index: 0机构: Chinese Ctr Dis Control & Prevent, Collaborat Innovat Ctr Diag & Treatment Infect Di, State Key Lab Infect Dis Prevent & Control SKLID, Beijing, Peoples R China Vanderbilt Univ, Sch Med, Vanderbilt Inst Global Hlth, Nashville, TN 37212 USAWu, Pingsheng论文数: 0 引用数: 0 h-index: 0机构: Vanderbilt Univ, Sch Med, Dept Biomed Informat, Nashville, TN 37212 USA Vanderbilt Univ, Sch Med, Dept Biostat, Nashville, TN 37212 USA Vanderbilt Univ, Sch Med, Vanderbilt Inst Global Hlth, Nashville, TN 37212 USAOsborn, Chandra Y.论文数: 0 引用数: 0 h-index: 0机构: Vanderbilt Univ, Sch Med, Div Gen Internal Med & Publ Hlth, Nashville, TN 37212 USA Vanderbilt Univ, Sch Med, Vanderbilt Inst Global Hlth, Nashville, TN 37212 USAJia, Yujiang论文数: 0 引用数: 0 h-index: 0机构: Vanderbilt Univ, Sch Med, Vanderbilt Inst Global Hlth, Nashville, TN 37212 USA Vanderbilt Univ, Sch Med, Vanderbilt Inst Global Hlth, Nashville, TN 37212 USAYin, Lu论文数: 0 引用数: 0 h-index: 0机构: Vanderbilt Univ, Sch Med, Vanderbilt Inst Global Hlth, Nashville, TN 37212 USA Vanderbilt Univ, Sch Med, Vanderbilt Inst Global Hlth, Nashville, TN 37212 USALu, Hongyan论文数: 0 引用数: 0 h-index: 0机构: Beijing Municipal Ctr Dis Control & Prevent, Beijing, Peoples R China Vanderbilt Univ, Sch Med, Vanderbilt Inst Global Hlth, Nashville, TN 37212 USAHe, Xiong论文数: 0 引用数: 0 h-index: 0机构: Beijing Municipal Ctr Dis Control & Prevent, Beijing, Peoples R China Vanderbilt Univ, Sch Med, Vanderbilt Inst Global Hlth, Nashville, TN 37212 USAShao, Yiming论文数: 0 引用数: 0 h-index: 0机构: Chinese Ctr Dis Control & Prevent, Collaborat Innovat Ctr Diag & Treatment Infect Di, State Key Lab Infect Dis Prevent & Control SKLID, Beijing, Peoples R China Vanderbilt Univ, Sch Med, Vanderbilt Inst Global Hlth, Nashville, TN 37212 USAVermund, Sten H.论文数: 0 引用数: 0 h-index: 0机构: Vanderbilt Univ, Sch Med, Vanderbilt Inst Global Hlth, Nashville, TN 37212 USA Vanderbilt Univ, Sch Med, Div Epidemiol, Dept Med, Nashville, TN 37212 USA Vanderbilt Univ, Sch Med, Dept Pediat, Nashville, TN 37212 USA Vanderbilt Univ, Sch Med, Vanderbilt Inst Global Hlth, Nashville, TN 37212 USA
- [4] HIV testing cascade among men who have sex with men at higher HIV risk in SerbiaEUROPEAN JOURNAL OF PUBLIC HEALTH, 2023, 33Baros, S.论文数: 0 引用数: 0 h-index: 0机构: Inst Publ Hlth Serbia Dr Milan Jovanovic Batut, Dept HIV STI Hepatitis & TB, Belgrade, Serbia Inst Publ Hlth Serbia Dr Milan Jovanovic Batut, Dept HIV STI Hepatitis & TB, Belgrade, SerbiaSimic, D.论文数: 0 引用数: 0 h-index: 0机构: Inst Publ Hlth Serbia Dr Milan Jovanovic Batut, Dept HIV STI Hepatitis & TB, Belgrade, Serbia Inst Publ Hlth Serbia Dr Milan Jovanovic Batut, Dept HIV STI Hepatitis & TB, Belgrade, Serbia
- [5] HIV risk and prevention among men who have sex with men in rural South AfricaAJAR-AFRICAN JOURNAL OF AIDS RESEARCH, 2017, 16 (01): : 31 - 38Maleke, Kabelo论文数: 0 引用数: 0 h-index: 0机构: Anova Hlth Inst, Johannesburg, South Africa Anova Hlth Inst, Johannesburg, South AfricaMakhakhe, Nosipho论文数: 0 引用数: 0 h-index: 0机构: Anova Hlth Inst, Johannesburg, South Africa Anova Hlth Inst, Johannesburg, South AfricaPeters, Remco P. H.论文数: 0 引用数: 0 h-index: 0机构: Anova Hlth Inst, Johannesburg, South Africa Anova Hlth Inst, Johannesburg, South AfricaJobson, Geoffrey论文数: 0 引用数: 0 h-index: 0机构: Anova Hlth Inst, Johannesburg, South Africa Anova Hlth Inst, Johannesburg, South AfricaDe Swardt, Glenn论文数: 0 引用数: 0 h-index: 0机构: Anova Hlth Inst, Johannesburg, South Africa Anova Hlth Inst, Johannesburg, South AfricaDaniels, Joseph论文数: 0 引用数: 0 h-index: 0机构: Univ Calif Los Angeles, David Geffen Sch Med, Div Infect Dis, Program Global Hlth, Los Angeles, CA 90095 USA Anova Hlth Inst, Johannesburg, South AfricaLane, Timothy论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Francisco, Ctr AIDS Prevent Studies, San Francisco, CA 94143 USA Anova Hlth Inst, Johannesburg, South AfricaMcIntyre, James A.论文数: 0 引用数: 0 h-index: 0机构: Anova Hlth Inst, Johannesburg, South Africa Univ Cape Town, Sch Publ Hlth Family Med, Cape Town, South Africa Anova Hlth Inst, Johannesburg, South AfricaImrie, John论文数: 0 引用数: 0 h-index: 0机构: Anova Hlth Inst, Johannesburg, South Africa UCL, Cetr Sexual Hlth & HIV Res, Fac Populat Hlth Sci, London, England Univ KwaZulu Natal, Africa Ctr Hlth & Populat Studies, Mtubatuba, KwaZulu Natal, South Africa Anova Hlth Inst, Johannesburg, South AfricaStruthers, Helen论文数: 0 引用数: 0 h-index: 0机构: Anova Hlth Inst, Johannesburg, South Africa Univ Cape Town, Div Infect Dis & HIV Med, Dept Med, Cape Town, South Africa Anova Hlth Inst, Johannesburg, South Africa
- [6] Repeat HIV-testing is associated with an increase in behavioral risk among men who have sex with men: a cohort studyBMC MEDICINE, 2015, 13Hoenigl, Martin论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Diego, Dept Med, Div Infect Dis, AntiViral Res Ctr, San Diego, CA 92103 USA Med Univ Graz, Dept Internal Med, Sect Infect Dis & Trop Med, Graz, Austria Med Univ Graz, Div Pulmonol, Dept Internal Med, Graz, Austria Univ Calif San Diego, Dept Med, Div Infect Dis, AntiViral Res Ctr, San Diego, CA 92103 USAAnderson, Christy M.论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Diego, Dept Med, Div Infect Dis, AntiViral Res Ctr, San Diego, CA 92103 USA Univ Calif San Diego, Dept Med, Div Infect Dis, AntiViral Res Ctr, San Diego, CA 92103 USAGreen, Nella论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Diego, Dept Med, Div Infect Dis, AntiViral Res Ctr, San Diego, CA 92103 USA Univ Calif San Diego, Dept Med, Div Infect Dis, AntiViral Res Ctr, San Diego, CA 92103 USAMehta, Sanjay R.论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Diego, Dept Med, Div Infect Dis, AntiViral Res Ctr, San Diego, CA 92103 USA Vet Affairs Healthcare Syst, San Diego, CA USA Univ Calif San Diego, Dept Med, Div Infect Dis, AntiViral Res Ctr, San Diego, CA 92103 USASmith, Davey M.论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Diego, Dept Med, Div Infect Dis, AntiViral Res Ctr, San Diego, CA 92103 USA Vet Affairs Healthcare Syst, San Diego, CA USA Univ Calif San Diego, Dept Med, Div Infect Dis, AntiViral Res Ctr, San Diego, CA 92103 USALittle, Susan J.论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Diego, Dept Med, Div Infect Dis, AntiViral Res Ctr, San Diego, CA 92103 USA Univ Calif San Diego, Dept Med, Div Infect Dis, AntiViral Res Ctr, San Diego, CA 92103 USA
- [7] Repeat HIV-testing is associated with an increase in behavioral risk among men who have sex with men: a cohort studyBMC Medicine, 13Martin Hoenigl论文数: 0 引用数: 0 h-index: 0机构: University of California,AntiViral Research Center, Division of Infectious Diseases, Department of MedicineChristy M. Anderson论文数: 0 引用数: 0 h-index: 0机构: University of California,AntiViral Research Center, Division of Infectious Diseases, Department of MedicineNella Green论文数: 0 引用数: 0 h-index: 0机构: University of California,AntiViral Research Center, Division of Infectious Diseases, Department of MedicineSanjay R. Mehta论文数: 0 引用数: 0 h-index: 0机构: University of California,AntiViral Research Center, Division of Infectious Diseases, Department of MedicineDavey M. Smith论文数: 0 引用数: 0 h-index: 0机构: University of California,AntiViral Research Center, Division of Infectious Diseases, Department of MedicineSusan J. Little论文数: 0 引用数: 0 h-index: 0机构: University of California,AntiViral Research Center, Division of Infectious Diseases, Department of Medicine
- [8] Risk of HIV infection attributable to oral sex among men who have sex with men and in the population of men who have sex with menAIDS, 2002, 16 (17) : 2350 - 2352Page-Shafer, K论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Francisco, Ctr AIDS Prevent Studies, Dept Med, San Francisco, CA 94143 USA Univ Calif San Francisco, Ctr AIDS Prevent Studies, Dept Med, San Francisco, CA 94143 USAShiboski, CH论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Francisco, Ctr AIDS Prevent Studies, Dept Med, San Francisco, CA 94143 USAOsmond, DH论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Francisco, Ctr AIDS Prevent Studies, Dept Med, San Francisco, CA 94143 USADilley, J论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Francisco, Ctr AIDS Prevent Studies, Dept Med, San Francisco, CA 94143 USAMcFarland, W论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Francisco, Ctr AIDS Prevent Studies, Dept Med, San Francisco, CA 94143 USAShiboski, SC论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Francisco, Ctr AIDS Prevent Studies, Dept Med, San Francisco, CA 94143 USAKlausner, JD论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Francisco, Ctr AIDS Prevent Studies, Dept Med, San Francisco, CA 94143 USABalls, J论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Francisco, Ctr AIDS Prevent Studies, Dept Med, San Francisco, CA 94143 USAGreenspan, D论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Francisco, Ctr AIDS Prevent Studies, Dept Med, San Francisco, CA 94143 USAGreenspan, JS论文数: 0 引用数: 0 h-index: 0机构: Univ Calif San Francisco, Ctr AIDS Prevent Studies, Dept Med, San Francisco, CA 94143 USA
- [9] HIV Prevention Services and Testing Utilization Behaviors among Men Who Have Sex with Men at Elevated Risk for HIV in Chongqing, ChinaBIOMED RESEARCH INTERNATIONAL, 2014, 2014Huang, Dayong论文数: 0 引用数: 0 h-index: 0机构: Capital Med Univ, Beijing Friendship Hosp, Beijing 100050, Peoples R China Capital Med Univ, Beijing Friendship Hosp, Beijing 100050, Peoples R ChinaHu, Yifei论文数: 0 引用数: 0 h-index: 0机构: Chinese Ctr Dis Control & Prevent, Natl Ctr AIDS STD Control & Prevent, Beijing 102206, Peoples R China Capital Med Univ, Beijing Friendship Hosp, Beijing 100050, Peoples R ChinaWu, Guohui论文数: 0 引用数: 0 h-index: 0机构: Chongqing Ctr Dis Control & Prevent, Chongqing 400042, Peoples R China Capital Med Univ, Beijing Friendship Hosp, Beijing 100050, Peoples R ChinaJia, Yujiang论文数: 0 引用数: 0 h-index: 0机构: Vanderbilt Univ, Dept Prevent Med, Sch Med, Nashville, TN 37232 USA Capital Med Univ, Beijing Friendship Hosp, Beijing 100050, Peoples R ChinaLu, Rongrong论文数: 0 引用数: 0 h-index: 0机构: Chongqing Ctr Dis Control & Prevent, Chongqing 400042, Peoples R China Capital Med Univ, Beijing Friendship Hosp, Beijing 100050, Peoples R ChinaXiao, Yan论文数: 0 引用数: 0 h-index: 0机构: Chinese Ctr Dis Control & Prevent, Natl Ctr AIDS STD Control & Prevent, Beijing 102206, Peoples R China Capital Med Univ, Beijing Friendship Hosp, Beijing 100050, Peoples R ChinaRaymond, H. F.论文数: 0 引用数: 0 h-index: 0机构: San Francisco Dept Publ Hlth, San Francisco, CA 94102 USA Capital Med Univ, Beijing Friendship Hosp, Beijing 100050, Peoples R ChinaMcFarland, Willi论文数: 0 引用数: 0 h-index: 0机构: San Francisco Dept Publ Hlth, San Francisco, CA 94102 USA Univ Calif San Francisco, Dept Epidemiol & Biostat, San Francisco, CA 94105 USA Capital Med Univ, Beijing Friendship Hosp, Beijing 100050, Peoples R ChinaRuan, Yuhua论文数: 0 引用数: 0 h-index: 0机构: Collaborat Innovat Ctr Diag & Treatment Infect Di, Chinese Ctr Dis Control & Prevent, Natl Ctr AIDS STD Control & Prevent, State Key Lab Infect Dis Prevent & Control, Beijing 102206, Peoples R China Capital Med Univ, Beijing Friendship Hosp, Beijing 100050, Peoples R ChinaMa, Wei论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ, Sch Publ Hlth, Jinan 250012, Peoples R China Capital Med Univ, Beijing Friendship Hosp, Beijing 100050, Peoples R ChinaSun, Jiangping论文数: 0 引用数: 0 h-index: 0机构: Chinese Ctr Dis Control & Prevent, Natl Ctr AIDS STD Control & Prevent, Beijing 102206, Peoples R China Capital Med Univ, Beijing Friendship Hosp, Beijing 100050, Peoples R China
- [10] HIV testing among immigrant men who have sex with men in BrazilPUBLIC HEALTH NURSING, 2023, 40 (06) : 826 - 835da Cruz, Aiala Xavier Felipe论文数: 0 引用数: 0 h-index: 0机构: UNINOVAFAPI Univ Ctr, Teresina, PI, Brazil UNINOVAFAPI Univ Ctr, Teresina, PI, BrazilNeto, Joao Cruz论文数: 0 引用数: 0 h-index: 0机构: Univ Int Integrat Lusophone Afro Brazilian, Redencao, CE, Brazil UNINOVAFAPI Univ Ctr, Teresina, PI, BrazilAraujo, Agostinho Antonio Cruz论文数: 0 引用数: 0 h-index: 0机构: Univ Sao Paulo, Ribeirao Preto Coll Nursing, Ribeirao Preto, SP, Brazil UNINOVAFAPI Univ Ctr, Teresina, PI, Brazilde Sousa, Anderson Reis论文数: 0 引用数: 0 h-index: 0机构: Univ Fed Bahia, Salvador, BA, Brazil UNINOVAFAPI Univ Ctr, Teresina, PI, Brazilde Oliveira, Layze Braz论文数: 0 引用数: 0 h-index: 0机构: Univ Sao Paulo, Ribeirao Preto Coll Nursing, Ribeirao Preto, SP, Brazil UNINOVAFAPI Univ Ctr, Teresina, PI, BrazilSena, Inara Viviane de Oliveira论文数: 0 引用数: 0 h-index: 0机构: Univ Fed Piaui, Nursing Sch, Teresina, PI, Brazil UNINOVAFAPI Univ Ctr, Teresina, PI, BrazilSousa, Luciana Sena论文数: 0 引用数: 0 h-index: 0机构: Univ Fed Piaui, Nursing Sch, Teresina, PI, Brazil UNINOVAFAPI Univ Ctr, Teresina, PI, Brazildos Santos, Jaqueline论文数: 0 引用数: 0 h-index: 0机构: Univ Sao Paulo, Ribeirao Preto Coll Nursing, Ribeirao Preto, SP, Brazil UNINOVAFAPI Univ Ctr, Teresina, PI, BrazilBatista, Odinea Maria Amorim论文数: 0 引用数: 0 h-index: 0机构: Univ Fed Piaui, Nursing Sch, Teresina, PI, Brazil UNINOVAFAPI Univ Ctr, Teresina, PI, BrazilMendes, Isabel Amelia Costa论文数: 0 引用数: 0 h-index: 0机构: Univ Sao Paulo, Ribeirao Preto Coll Nursing, Ribeirao Preto, SP, Brazil UNINOVAFAPI Univ Ctr, Teresina, PI, BrazilFronteira, Ines论文数: 0 引用数: 0 h-index: 0机构: Univ Nova Lisboa, Comprehens Hlth Res Ctr, Publ Hlth Res Ctr, Natl Sch Publ Hlth, Lisbon, Portugal UNINOVAFAPI Univ Ctr, Teresina, PI, Brazilde Sousa, Alvaro Francisco Lopes论文数: 0 引用数: 0 h-index: 0机构: Sirio Libanes Hosp Sao Paulo, Inst Teaching & Res, Sao Paulo, Brazil Univ Nova Lisboa, Inst Hyg & Trop Med, Global Hlth & Trop Med, Lisbon, Portugal Sirio Libanes Hosp Sao Paulo, Inst Teaching & Res, BR-01308050 Sao Paulo, SP, Brazil UNINOVAFAPI Univ Ctr, Teresina, PI, Brazil