1. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, China
2. Department of Remote Sensing and Photogrammetry, Finnish Geospatial Research Institute (National Land Survey of Finland), Masala, Finland
3. Division for Forest Management and Forestry Economics, Croatian Forest Research Institute, Zagreb, Croatia
4. School of Forest Sciences, University of Eastern Finland, Joensuu, Finland
5. Department of Forest Sciences, University of Helsinki, Helsinki, Finland
6. Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Prague, Czech Republic
7. Department of Geodesy and Geoinformation, TU Wien, Vienna, Austria
8. Remote Sensing Technology Institute, German Aerospace Center, Wessling, Germany
9. College of Forestry, Nanjing Forestry University, Nanjing, China