Hauff, K., Zambarda, C., Dietrich, M., Halbig, M., Grab, A.-L., Medda, R., et al. (2015). Matrix-immobilized BMP-2 on microcontact printed fibronectin as an in vitro tool to study BMP-mediated signaling and cell migration. Frontiers in Bioengineering and Biotechnology, 3: 62. doi:10.3389/fbioe.2015.00062.