In memoriam, Salvador Sanchez Alfonso de la Pena, MD, PhD: A comrade in the chronousphere (November 14, 1948 - November 2, 2011)

1. Singh, R.B.
2. Cornélissen, G.
3. Sothern, R.B.
4. Medina, J.L.R.
5. Wilson, D.W.
6. Revilla, M.
7. De Meester, F.
8. Chibisov, S.
9. Agarval, R.
10. Schwartzkopff, O.
11. Halberg, F.