S. Raymond, E. Kokubo, A. Morbidelli, R. Morishima, and K. Walsh. (2013)cite arxiv:1312.1689Comment: 27 pages, 9 figures, 2 tables. Accepted for publication as a chapter in Protostars and Planets VI, University of Arizona Press (2014), eds. H. Beuther, R. Klessen, C. Dullemond, Th. Henning.