Alark Saxena is an Associate Professor of Forestry in the School of Forestry at Northern Arizona University, USA.

Alder Keleman Saxena is an Assistant Research Professor in the Department of Anthropology at Northern Arizona University, USA.

Jeffrey Chow is a Research Assistant Professor in the Institute for Public Policy, Institute for Emerging Market Studies at Hong Kong University of Science and Technology, China.

Josep Maria Serra Diaz is the Ramon y Cajal researcher at the Botanical Institute of Barcelona, Spain.