. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: Ultrasound Med Biol. 2014 Aug 15;40(10):2404–2414. doi: 10.1016/j.ultrasmedbio.2014.04.013
© 2014 World Federation for Ultrasound in Medicine and Biology.
Published by Elsevier Inc. All rights reserved.