About the Author
- Jan Volavka
- Professor Emeritus of Psychiatry, New York University School of Medicine, New York, New York, United States of America
The author has declared that no competing interests exist.
Wrote the first draft of the manuscript: JV. Contributed to the writing of the manuscript: JV. ICMJE criteria for authorship read and met: JV. Agree with manuscript results and conclusions: JV.