1. Department of Psychiatry, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre Jalan Yaacob Latif Bandar Tun Razak 56000, Kuala Lumpur, Malaysia
2. National University of Galway, Galway, Ireland
3. Medical University of Warsaw, Warsaw, Poland
4. Faculty of Medicine, Universiti Sultan Zainal Abidin, 20400 Kampus Kota, Kuala Terengganu, Malaysia