The authors would like to thank the following translators for their work:
Feryal Alayont
Rachid Benkhalti
Erlinda Cano
Ajit Datar
Yumiko Heath
Matthew Kim
Guillaume Lajoie
Laszlo Miklos Lovasz
Natalya Manko
Laura Matrajt
Daniil Perebeynos
Hyun-Jong Song
Hideto Tsutsui
Jeffrey Weeks
Yachuan Yu
Xioquian Zhang
Qiang Zheng