[1] Polish Acad Sci, Mammal Res Inst, Stoczek 1, PL-17230 Bialowieza, Poland
[2] Justus Liebig Univ Giessen, Working Grp Wildlife Res Clin Birds Stoczek 1 17, Frankfurter Str 108, D-35392 Giessen, Germany
[3] Musee Natl Hist Nat, Dept Zool, Rue Munster 25, L-2160 Luxembourg, Luxembourg
[4] Univ Helsinki, Lammi Biol Stn, Paajarventie 320, Lammi 16900, Finland
[5] Nat Resources Inst Finland Luke, Latokartanonkaari 9, Helsinki 00790, Finland
[6] State Natl Pk Belovezhskaya Pushcha, Kamenyuki 225063, BELARUS
[7] Univ Zagreb, Fac Agr, Dept Fisheries Apiculture Wildlife Management & S, Svetosimunska Cesta 25, Zagreb 10000, Croatia
[8] Tech Univ Zvolen, Dept Phytol, TG Masaryka 24, Zvolen 96001, Slovakia
[9] Russian Acad Sci, AN Severtsov Inst Ecol & Evolut, Leninskij Prosp 33, Moscow 119071, Russia
[10] Fac Environm Protect, Trg Mladosti 7, Velenje 3320, Slovenia
[11] Slovenian Forestry Inst, Dept Forest Ecol, Vecna Pot 2, Ljubljana 1000, Slovenia
[12] Vytautas Magnus Univ, Dept Biol, Vileikos G 8-802, LT-44404 Kaunas, Lithuania
[13] Univ Novi Sad, Fac Sci, Dept Biol & Ecol, Trg Dositeja Obradovica 2, Novi Sad 21000, Serbia
[14] Univ Novi Sad, Fac Sci, Dept Geog Tourism & Hotel Management, Trg Dositeja Obradovica 3, Novi Sad 21102, Serbia
[15] Mendel Univ Brno, Dept Forest Protect & Wildlife Management, Zemedelska 3, Brno 61300, Czech Republic
[16] Univ Debrecen, Ctr Agr Genom & Biotechnol, Egyet Ter 1, H-4032 Debrecen, Hungary
[17] Bur Wildlife Biol Bavaria, Haslau 21, D-83700 Rottach Egern, Germany
[18] Hellen Ctr Marine Res, Inst Marine Biol Biotechnol & Aquaculture IMBBC, POB 2214, Iraklion 71003, Crete, Greece
[19] Univ Forestry, Wildlife Management Dept, 10 Kliment Ohridski Blvd, Sofia 1797, Bulgaria
[20] Kyiv Zool Pk Natl Importance, Peremohy Ave 32, UA-04116 Kiev, Ukraine
[21] Univ Vet Med Vienna, Res Inst Wildlife Ecol, Savoyenstr 1, A-1160 Vienna, Austria
[22] Mendel Univ Brno, Fac Forestry & Wood Technol, Dept Forest Ecol, Zemedeska 3, Brno 61300, Czech Republic
[23] Univ Belgrade, Fac Forestry, Kneza Viseslava 1, Belgrade 11030, Serbia
[24] Univ Banja Luka, Fac Nat Sci & Math, Mladena Stojanovica 2, Banja Luka 78000, Bosnia & Herceg
[25] Grigore Antipa Natl Museum Nat Hist, Soseaua Pavel D Kiseleff 1, Bucharest 011341, Romania
[26] Stefan Cel Mare Univ Suceava, Fac Forestry, Str Univ 13, Suceava 720229, Romania
[27] Estonian Environm Agcy, Dept Wildlife Monitoring, Mustamae Tee 33, EE-10616 Tallinn, Estonia
[28] Univ Virginia Hlth Syst, Dept Anesthesiol, 1 Hosp Dr 4748, Charlottesville, VA 22908 USA
[29] Univ Warsaw, Fac Biol, Miecznikowa 1, PL-02096 Warsaw, Poland