1. Center for Autophagy Research, University of Texas Southwestern Medical Center, Dallas, TX, USA
2. Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
3. Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
4. The State Key Laboratory of Membrane Biology, Tsinghua University-Peking University Joint Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, China
5. Department of Chemistry and Biochemistry, North Dakota State University, Fargo, ND, USA
6. Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, TX, USA