1. ACOS/Research and Development (151), Nuclear Medicine & Molecular Imaging (115), Physical Medicine & Rehabilitation (11R), (672) VA Caribbean Healthcare System (VACHS), San Juan 00921, PR
2. Department of Natural Science Interdisciplinary Studies, University of Puerto Rico, Rio Piedras Campus, San Juan 00921, PR
3. Radiological Sciences Department, University of Puerto Rico, School of Medicine, Medical Sciences Campus, San Juan 00921, PR