1 Univ. Bordeaux , CNRS, Bordeaux INP, LCPO, UMR 5629, F-33600 Pessac , France.
2 École Polytechnique Fédérale de Lausanne (EPFL), Institut des Matériaux and Institut des Sciences et Ingeńierie Chimiques , Laboratoire des Polymères, Bâtiment MXD, Station 12, CH-1015 Lausanne , Switzerland.
3 Biomedical Polymers Laboratory, and Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , People's Republic of China.
4 Department of Chemistry and Biochemistry, and Department of Bioengineering , University of California, Los Angeles , Los Angeles , California 90095 , United States.