Current worldwide nuclear cardiology practices and radiation exposure : results from the 65 country IAEA Nuclear Cardiology Protocols Cross-Sectional Study (INCAPS) - Einstein, Andrew J. (Columbia University Medical Center and New York-Presbyterian Hospital) ; Pascual, Thomas N. B. (International Atomic Energy Agency) ; Mercuri, Mathew (Columbia University Medical Center and New York-Presbyterian Hospital) ; Karthikeyan, Ganesan (All India Institute of Medical Sciences (Nova Delhi, Índia)) ; Vitola, João V. (Quanta Diagnóstico & Terapia) ; Mahmarian, John J. (Department of Cardiology, Houston Methodist DeBakey Heart and Vascular Center, Houston, TX) ; Better, Nathan (Royal Melbourne Hospital (Melbourne, Austràlia)) ; Bouyoucef, Salah E. (Centre Hospitalo-Universitaire de Bab El Ouéd) ; Hee-Seung Bom, Henry (Chonnam National University Medical School) ; Lele, Vikram (Jaslok Hospital and Research Centre) ; Magboo, V. Peter C. (University of Santo Tomas Hospital) ; Alexánderson, Erick (Instituto Nacional de Cardiología 'Ignacio Chávez') ; Allam, Adel H. (Al Azhar University) ; Al-Mallah, Mouaz H. (King Saud bin Abdulaziz University for Health Sciences) ; Flotats, Albert (Institut d'Investigació Biomèdica Sant Pau) ; Jerome, Scott (University of Maryland) ; Kaufmann, Philipp A. (University Hospital Zurich (Suïssa)) ; Luxenburg, Osnat (Gertner Institute for Epidemiology and Health Policy Research) ; Shaw, Leslee J. (Emory University School of Medicine) ; Underwood, S. Richard (Royal Brompton Hospital (Londres)) ; Rehani, Madan M. (Radiation Protection of Patients Unit, International Atomic Energy Agency) ; Kashyap, Ravi (International Atomic Energy Agency) ; Paez, Diana (International Atomic Energy Agency) ; Dondi, Maurizio (International Atomic Energy Agency) ; Universitat Autònoma de Barcelona