Authors The list of contributors in alphabetical order: Anton Khodak <anton.khodak@ukr.net> Diego Rodriguez <diego.rodriguez@cern.ch> Dinos Kousidis <dinos.kousidis@cern.ch> Harri Hirvonsalo <harri.hirvonsalo@cern.ch> Lukas Heinrich <lukas.heinrich@gmail.com> Michael R. Crusoe <mrc@commonwl.org> Tibor Simko <tibor.simko@cern.ch>