1. Department of Psychiatry, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, 56000 Cheras, Kuala Lumpur, Malaysia
2. Department of Physiology, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, 56000 Cheras, Kuala Lumpur, Malaysia
3. Department of Bioscience, Faculty of Allied Science, Universiti Kebangsaan Malaysia Medical Centre, 56000 Cheras, Kuala Lumpur, Malaysia
4. Department of Anatomy, Universiti Kebangsaan Malaysia Medical Centre, 56000 Cheras, Kuala Lumpur, Malaysia
5. Department of Psychiatry, Faculty of Medicine, Universiti Putra Malaysia, Serdang, Malaysia
6. Zwirki I Wiguri 62, Medical University of Warsaw, Poland