1. Laboratory of Extracellular Matrix Biochemistry, Institute for Protein Research, Osaka University, 3-2 Yamadaoka, Suita, Osaka 565-0871, Japan
2. PRESTO, JST, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
3. Shimoda Marine Research Center, University of Tsukuba, 5-10-1 Shimoda, Shizuoka 415–0025, Japan