Retraction Note: sFRP2 in the aged microenvironment drives melanoma metastasis and therapy resistance

A Amanpreet Kaur M Marie R. Webster K Katie Marchbank R Reeti Behera A Abibatou Ndoye C Curtis H. Kugel V Vanessa M. Dang J Jessica Appleton M Michael P. O’Connell P Phil Cheng A Alexander A. Valiga R Rachel Morissette N Nazli B. McDonnell L Luigi Ferrucci A Andrew V. Kossenkov K Katrina Meeth H Hsin-Yao Tang X Xiangfan Yin W William H. Wood E Elin Lehrmann K Kevin G. Becker K Keith T. Flaherty D Dennie T. Frederick J Jennifer A. Wargo Z Zachary A. Cooper M Michael T. Tetzlaff C Courtney Hudgens K Katherine M. Aird R Rugang Zhang X Xiaowei Xu Q Qin Liu E Edmund Bartlett G Giorgos Karakousis Z Zeynep Eroglu R Roger S. Lo M Matthew Chan A Alexander M. Menzies G Georgina V. Long D Douglas B. Johnson J Jeffrey Sosman B Bastian Schilling D Dirk Schadendorf D David W. Speicher M Marcus Bosenberg A Antoni Ribas A Ashani T. Weeraratna