1. Department of Psychiatry, St. John's Medical College Hospital, Bangalore, India.
2. Molecular Genetics Laboratory, Department of Psychiatry, Neurobiology Research Centre, National Institute of Mental Health and Neurosciences (NIMHANS), Bangalore, India.
3. Department of Psychiatry, National Institute of Mental Health and Neurosciences (NIMHANS), Bangalore, India.
4. Department of Gastroenterology, St. John's Medical College Hospital, Bangalore, India.