1. Associate Professor, King's College London, Institute of Psychiatry, Section of Neurobiology of Mood Disorders, London, England; Associate Professor, Department of Psychiatry, Faculty of Medicine, Addis Ababa University, Addis Ababa, Ethiopia
2. Postdoctoral Researcher, King's College London, Institute of Psychiatry, Section of Neurobiology of Mood Disorders, London, England
3. Clinical Researcher, King's College London, Institute of Psychiatry, Section of Neurobiology of Mood Disorders, London, England
4. Consultant Psychiatrist, King's College London, Institute of Psychiatry, Section of Neurobiology of Mood Disorders, London, England; Consultant Psychiatrist, Affective Disorders Unit, South London and Maudsley National Health Service Trust, London, England
5. Research Nurse, Affective Disorders Unit, South London and Maudsley National Health Service Trust, London, England
6. Professor, King's College London, Institute of Psychiatry, Section of Neurobiology of Mood Disorders, London, England; Professor, Affective Disorders Unit, South London and Maudsley National Health Service Trust, London, England; Professor, National Institute for Health Research Biomedical Research Centre, South London and Maudsley National Health Service Foundation Trust, Institute of Psychiatry, King's College London, London, England