1. Department of Chemistry, Biochemistry & Molecular Medicine, and the Genome Center, University of California Davis, One Shields Avenue, Davis, California 95616, United States
2. California NanoSystems Institute, 420 Westwood Plaza, Los Angeles, California 90095, United States
3. UCLA-DOE Institute of Genomics and Proteomics, 420 Westwood Plaza, Los Angeles, California 90095, United States
4. Academia Sinica, 128 Academia
Road, Section 2, Nankang, Taipei 115, Taiwan, R.O.C