We have found a number of typos and off-by-one errors in the Mittag-Leffler report. More seriously, an error has occurred in Proposition A.1. As a consequence, the formulation of Theorem 5.1. was incorrect.
J. Malinen and R. Nagamune. On the geometry of the Hermite-Fejer interpolation problem through conservative realizations. Mittag--Leffler preprints 2003/21; 2003. pdf-file.