1. USDA-ARS San Joaquin Valley Agricultural Sciences Center, Parlier, California, USA
2. Instituto Agronômico, Centro de Citricultura Sylvio Moreira, Cordeirópolis, São Paulo, Brazil
3. Los Alamos National Laboratory, Los Alamos, New Mexico, USA
4. Guangxi Citrus Research Institute, Guilin, Guangxi, China