1. College of Forestry; Northwest A&F University; Yangling CN-712100 China
2. Institute of Forest Sciences, Chair of Tree Physiology; Albert-Ludwigs-Universität Freiburg; Freiburg D-79110 Germany
3. RIKEN Center for Sustainable Resource Science; Yokohama 230-0045 Japan
4. Graduate School of Bioagricultural Sciences; Nagoya University; Nagoya 464-8601 Japan
5. Department of Forest Protection; Northwest German Forest Research Institute (NW-FVA); Göttingen D-37079 Germany
6. Department of Forest Protection; FVA Forest Research Institute of Baden-Württemberg (FVA-BW); Freiburg D-79100 Germany
7. Department of Forest Health and Risk Management; Eberswalde University for Sustainable Development (HNE Eberswalde); Eberswalde D-16225 Germany
8. College of Sciences; King Saud University; Riyadh 11451 Saudi Arabia