1Chengdu University of Traditional Chinese Medicine, Chengdu, China
2Institute for Social Medicine, Epidemiology and Health Economics, Charité University Medical Center, Berlin, Germany
3Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, Massachusetts, United States of America
4Department of Radiology, Logan College of Chiropractic, Chesterfield, Missouri, United States of America
5Department of Biomedical Engineering, Kyung Hee University, Yongin, Republic of Korea
6Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
7Leipzig University Medical Center, IFB Adiposity Diseases, Leipzig, Germany
8Berlin NeuroImaging Center and Department Neurology, Charité, Berlin, Germany
9Center for Integrative Medicine, University of Maryland School of Medicine, Baltimore, Maryland, United States of America