Erratum to: AAPS PharmSciTech

DOI 10.1208/s12249-015-0288-y

Author affiliations were inadvertently switched in the published article. The correct author affiliations are:

(1) Amgen Inc., 1 Amgen Center Drive, Thousand Oaks, California 91320, USA

(2) Currently at Gilead Sciences, Foster City, California, USA

(3) Currently at BioMarin Pharmaceutical, Inc., San Rafael, California, USA