1 Chronic Program, Alexandra Hospital, National University Health System, Singapore; Division of Endocrinology, University Medicine Cluster, National University Health System, Singapore. Electronic address: andre_th_tan@nuhs.edu.sg.
2 Department of Diagnostic Imaging, National University Health System, Singapore.
3 Chronic Program, Alexandra Hospital, National University Health System, Singapore; Department of Psychological Medicine, University Medicine Cluster, National University Health System, Singapore.