Cedars Sinai Medical Center, Los Angeles, CA.

CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, & CAS-HKU Joint Laboratory of Metallomics on Health and Environment, & Beijing Metallomics Facility, & National Consortium for Excellence in Metallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China.; Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, Liaoning, China.; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Taian 271018, Shandong, China.; Shandong Provincial Maternal & Child Health Care Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250014, Shandong, China.; CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, & CAS Center for Excellence in Nanoscience, & Beijing Metallomics Facility, National Centre for Nanoscience and Technology, Beijing 100191, China.

Scientific Department, Wellcomet GmbH, Karlsruhe, Germany.; Touchstone Diabetes Center, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, 75390-8549, USA.

Goethe University Frankfurt, Goethe University Frankfurt, Goethe University Frankfurt, Goethe Universtiy Frankfurt, Goethe University Frankfurt

Department of Medicine, Clinic of Infectious Diseases, "Santa Maria della Misericordia" Hospital, University of Perugia, Perugia, Italy. anna.gidari@studenti.unipg.it.; Department of Medicine, Clinic of Infectious Diseases, "Santa Maria della Misericordia" Hospital, University of Perugia, Perugia, Italy.; Department of Anesthesiology, Intensive Care and Pain therapy Center, "Santa Maria della Misericordia" Hospital, University of Perugia, Perugia, Italy.; Department of Medicine, Medical Microbiology Section, University of Perugia, Perugia, Italy.; Department of Prevention, Local Health Unit Umbria 1, Travel Medicine Unit, Perugia, Italy.

From the Departments of Radiology (O.R., A.W., K.E.-H., M.L.L., P.W.S., R.G.G., M.H.L., E.R.) orapalino@mgh.harvard.edu.; From the Departments of Radiology (O.R., A.W., K.E.-H., M.L.L., P.W.S., R.G.G., M.H.L., E.R.).; A.A. Martinos Center for Biomedical Imaging (A.W., A.T.-C., M.L.L., E.R.), Charlestown, Massachusetts.; Ann & Robert H. Lurie Children's Hospital of Chicago and Northwestern University Feinberg School of Medicine (S.J.M.).; Neurology (B.L.E., D.F., S.S.M.), Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts.; Medical Image Analysis and Biometry Laboratory (A.T.-C.), Universidad Rey Juan Carlos, Madrid, Spain.

Medical Centre, University of Rajshahi, Rajshahi- 6205, Bangladesh; Department of Orthopaedic Surgery (NOCERAL), Faculty of Medicine, University of Malaya, 50603 Kuala Lumpur, Malaysia; Health Research Group, Department of Statistics, University of Rajshahi, Rajshahi-6205, Bangladesh; Health Research Group, Department of Statistics, University of Rajshahi, Rajshahi-6205, Bangladesh; Department of Orthopaedic Surgery (NOCERAL), Faculty of Medicine, University of Malaya, 50603 Kuala Lumpur, Malaysia; Health Research Group, Department of Statistics, University of Rajshahi, Rajshahi-6205, Bangladesh

Institute of Gerontological Health Services and Nursing Research, Ravensburg-Weingarten University of Applied Sciences, Weingarten, Germany.

The Wright Center for Graduate Medical Education, 501 S. Washington Avenue Scranton, PA 18503 USA; Clinical Assistant Professor of Medicine, Mercer University School of Medicine, Macon, GA USA 31207. Electronic address: doc.hemant@yahoo.com.; Department of anesthesiology and intensive care, Maulana Azad Medical College New Delhi, India.; Department of Gastroenterology and Hepatology, The University of Arkansas for Medical Sciences, Little Rock, AR, USA.; Department of Internal Medicine, Saint Agnes Medical Center, 1303 E Herndon Ave, Fresno, CA 93730, USA.; Assistant Professor of Medicine, Program director- Advanced Endoscopy Fellowship, University of Arkansas for Medical Sciences, Little Rock, AR, USA.; Associate Professor of Medicine, Director of General and Advanced Endoscopy, University of Arkansas for Medical Sciences, Little Rock, AR, USA.