1. Institute of Global Environmental Change, Xi’an Jiaotong University, Xi’an, China.
2. Department of Earth Science, California State University, Dominguez Hills, Carson, CA, USA.
3. François Leguat Giant Tortoise and Cave Reserve, Anse Quitor, Rodrigues Island, Mauritius.
4. Institute of Geology, University of Innsbruck, 6020 Innsbruck, Austria.
5. Max Planck Institute of Chemistry, Hahn-Meitnerweg 1, Mainz, Germany.
6. Department of Earth and Environmental Sciences, Katholieke Universiteit Leuven, Leuven, Belgium.
7. National Cave Research and Protection Organization, Raipur, India.
8. Center for Monsoon System Research, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China.
9. University of Chinese Academy of Sciences, Beijing, China.
10. Department of Earth Sciences, University of Minnesota, Minneapolis, MN, USA.