This analysis was conducted by the lab of professor Ernest Arena. The pipeline is already described in the following publication:
La Manno, G., Gyllborg, D., Codeluppi, S., Nishimura, K., Salto, C., Zeisel, A., Borm, L.E., Stott, S.R.W., Toledo, E.M., Villaescusa, J.C., et al. (2016). 
Molecular Diversity of Midbrain Development in Mouse, Human, and Stem Cells. Cell 167, 566-580 e519.