Liu, J.M., J.M. Lipton & S. Mani. 2011. Sixth International Congress on Shwachman-Diamond syndrome: from patients to genes and back. Ann. N.Y. Acad. Sci.1242: 26–39.
The sentence that begins at the bottom of the left column on page 35 should read as follows:
The most common clonal marrow cytogenetic abnormalities in SDS are i(7q) and del(20q).