[1] Kerala Hlth Serv, Chc Thanneermukkom, Alappuzha, India
[2] Natl Inst Mental Hlth & Neurosci, Dept Psychiat, Bengaluru, India
[3] Govt TD Med Coll, Dept Community Med, Alappuzha, India
[4] Govt Med Coll, Dept Community Med, Manjeri, India
[5] Govt Med Coll, Dept Community Med, Kottayam, Kerala, India
[6] Govt Med Coll, Dept Psychiat, Kottayam, Kerala, India
[7] Gen Hosp, Adoor, Kerala, India