[1] IDRAAC, Beirut, Lebanon
[2] Balamand Univ, Dept Psychiat & Clin Psychol, Fac Med, Beirut, Lebanon
[3] St George Hosp Univ, Dept Psychiat & Clin Psychol, Med Ctr, Beirut, Lebanon
[4] Univ Michigan, Michigan Program Survey Methodol, Survey Res Ctr, Ann Arbor, MI 48109 USA
[5] Harvard Med Sch, Dept Hlth Care Policy, Boston, MA 02115 USA
[6] Kings Coll London, Inst Psychiat Psychol & Neurosci, HSPR, London, England