Anchukaitis, Kevin; Breitenmoser, Petra; Briffa, Keith R.; Buchwal, Agata; Büntgen, Ulf; Cook, Edward R.; D'Arrigo, Rosanne Dorothy; Evans, Michael N.; Frank, David; Grudd, Håkan; Gunnarson, Björn E.; Hughes, Malcolm K.; Krusic, Paul J.; Kirdyanov, Alexander V.; Körner, Christian; Luckman, Brian; Melvin, Thomas M.; Salzer, Matthew W.; Shashkin, Alexander V.; Timmreck, Claudia; Vaganov, Eugene A.; Wilson, Robert J.