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 an Adjunct Assistant Professor in the Division of Public Policy at Hong Kong University of Science and Technology, China.

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