Authors: T Frigge; B Hafke; T Witte; B Krenzer; C Streubühr; A Samad Syed; V Mikšić Trontl; I Avigo; P Zhou; M Ligges; D von der Linde; U Bovensiepen; M Horn-von Hoegen; S Wippermann; A Lücke; S Sanna; U Gerstmann; W G Schmidt Journal: Nature Date: 2017-03-29 Impact factor: 49.962