Authors: Ki Tae Nam; Sarah A Shelby; Philip H Choi; Amanda B Marciel; Ritchie Chen; Li Tan; Tammy K Chu; Ryan A Mesch; Byoung-Chul Lee; Michael D Connolly; Christian Kisielowski; Ronald N Zuckermann Journal: Nat Mater Date: 2010-04-11 Impact factor: 43.841