1. Wildlife Institute of India, Chandrabani, Dehradun, Uttarakhand, India
2. Systematics Lab, Department of Environmental Studies, University of Delhi, Delhi, India
3. Museum Zoologicum Bogoriense, Research Center for Biology, Indonesian Institute of Sciences, Cibinong, West Java, Indonesia
4. Amphibian and Reptile Diversity Research Center and Department of Biology, University of Texas at Arlington, Arlington, TX, USA