CERN
ASACUSA
ASACUSA MUSASHI subgroup (RIKEN, U-Tokyo Komaba, Hiroshima-U, Tokyo Univ. of Science)
Yamazaki-Matsuda group, University of Tokyo
Atomic Physics Laboratory, RIKEN
INFN Gruppo Collegato di Brescia
Stefan-Meyer-Institut
Hyperfine Structure of Antihydrogen HBAR-HFS