[1] Simons Fdn, 160 5th Ave, New York, NY 10010 USA
[2] Univ Hosp Ctr Mother Teresa, Dept Psychiat, RR Dibres, Tirana 370, Albania
[3] Necmettin Erbakan Univ, Meram Fac Med, Dept Child & Adolescent Psychiat, Konya, Turkey
[4] Natl Ctr Publ Hlth & Analyses, Blvd Akad Ivan Evstratiev Geshov 15, Sofia 1431, Bulgaria
[5] Univ Zagreb, Fac Educ & Rehabil Sci, 83f, Zagreb 10000, Croatia
[6] Autism Speaks, 1 E,33rd St, New York, NY 10016 USA