The percentage of matching related to the participant learning year (increased from 36.1% for the 6th-year medical students to 45.8% for 1st year postgraduate and 100% for 2nd year postgraduate specialists) and their contact times per week with newborn (32, 6%, 70, 6% and 100% for those who have no contact, 1 - 5 times and over 5 times per week respectively).