[1] Univ Nacl Autonoma Mexico, Fac Med,Secretaria Ensenanza Clin, Internado Med & Serv Social, Secretaria de Ensenanza Clin, Mexico City, DF, Mexico
[2] Inst Nacl Ciencias Med & Nutr Salvador Zubiran, Serv Med Interna, Direcc Med, Mexico City, DF, Mexico
[3] Inst Nacl Ciencias Med & Nutr Salvador Zubiran, Serv Med Interna, Direcc Ensenanza, Mexico City, DF, Mexico
[4] Tecnol Monterrey, Escuela Med & Ciencias Salud, Mexico City, DF, Mexico
[5] Tecnol Monterrey, Direcc Innovac Tecnol Emergentes, Monterrey, Nuevo Leon, Mexico
[6] Univ Nacl Autonoma Mexico, Fac Med, Dept Salud Publ, Mexico City, DF, Mexico
[7] Univ Nacl Autonoma Mexico, Coordinac Univ Abierta, Innovac Educ & Educ Distancia, Direcc Evaluac Educ, Mexico City, DF, Mexico
[8] Acad Nacl Med Mexico, Mexico City, DF, Mexico
[9] Univ Nacl Autonoma Mexico, Fac Med, Div Estudios Posgrad, Mexico City, DF, Mexico