Spitler, L. G.
Scholz, P.
Hessels, J. W. T.
Bogdanov, S.
Brazier, A.
Camilo, F.
Chatterjee, S.
Cordes, J. M.
Crawford, F.
Deneva, J.
Ferdman, R. D.
Freire, P. C. C.
Kaspi, V. M.
Lazarus, P.
Lynch, R.
Madsen, E. C.
McLaughlin, M. A.
Patel, C.
Ransom, S. M.
Seymour, A.
Stairs, I. H.
Stappers, B. W.
van Leeuwen, J.
Zhu, W. W.
Article History
Received: 3 December 2015
Accepted: 21 January 2016
First Online: 2 March 2016
Competing interests
: The authors declare no competing financial interests.