1 State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China.
2 Institute for Diabetes, Obesity, and Metabolism and Department of Physiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
3 Department of Science, Systems and Models, Roskilde University, Roskilde, Denmark.
4 Division of Trauma, Critical Care, and Emergency Surgery, University of Pennsylvania, Philadelphia, PA 19104, USA.
5 Whitehead Institute for Biomedical Research and Massachusetts Institute of Technology, Department of Biology, Cambridge, MA 02142, USA.