Principal Investigator: Peter van Zijl, PhD Project 1: Quantitative brain MRS at 3T and 7T Principal Investigators:Peter Barker, DPhilRichard Edden, PhDCo-investigator:Karim Snoussi, PhD Principal Investigators:Peter van Zijl, PhDHanzhang Lu, PhDCo-investigators:Jun Hua, PhDXu Li, PhDJinyuan Zhou, PhD Principal Investigators:James Pekar, PhDBrian Caffo, PhDCo-investigators:Martin Lindquist, PhDFeng Xu, PhD Principal Investigators:Susumu Mori, PhDMichael Miller, PhDCo-investigators:Andreia Vasconcellos Faria, MD, PhDHangyi Jiang, PhD,Anthony Kolasny, PhDTilak Ratnanather, PhDLaurent Younes, PhD | Assistant Professor , Department of Radiology, Johns Hopkins University School of Medicine |