1. The Department of Anatomy and Developmental Biology, Monash University, Clayton, Victoria, Australia
2. Center of Reproductive Medicine and Andrology, University Hospital Münster, University of Münster, Münster, Germany
3. The School of Biological Sciences, Monash University, Clayton, Victoria, Australia
4. Monash Micro Imaging, Monash University, Clayton, Victoria, Australia
5. Department of Mechanical and Aerospace Engineering, Monash University, Clayton, Victoria, Australia