We wish to thank Dr. Bogdan Kaluzewski from the
Medical University of Lodz, Poland,
and Dr. Ajit S. Gandhi from
the Unique Hospital Solapur, India
for sending us images and for the right to use them.
We wish to thank Dr. James Huhta
from the University of South Florida, and
Dr. Maria Respondek-Liberska
fom The Polish Mother's
Memorial Hospital in Lodz, Poland
for their comments and suggestions.