aRadiation Medicine Centre, Bhabha Atomic Research Centre, Tata Memorial Hospital Annexe, Jerbai Wadia Road, Parel bHomi Bhabha National Institute cDepartment of Nuclear Medicine and PET/CT, P. D. Hinduja National Hospital and Medical Research Centre, Mumbai, India Correspondence to Sandip Basu, MBBS(Hons) DRM, DNB, MNAMS, Radiation Medicine Centre (BARC), Tata Memorial Hospital Annexe, Jerbai Wadia Road, Parel, Mumbai 400012, India Tel: +91 222 414 9428; fax: +91 222 415 7098; e-mail: [email protected] Received September 1, 2017 Accepted September 10, 2017