[1] Karolinska Inst, Dept Publ Hlth Sci, Global Hlth IHCAR, Stockholm, Sweden
[2] RD Gardi Med Coll, Dept Publ Hlth & Environm, Ujjain, Madhya Pradesh, India
[3] Univ Western Ontario, Schulich Sch Med & Dent, Ctr Studies Family Med, Dept Family Med, London, ON, Canada