The heading above the list states -
Each of the following has been involved in some way with the promotion or administration of questionable health products and/or services. Many of them have written at least one book that I believe contains invalid information. Most appear to hold sincere beliefs. Those marked with a red asterisk (*) have been subjected to regulatory or enforcement action. Nonaccredited degrees are marked with black asterisks (*). Each asterisk represents one action or degree.. Click on each name to see the reason they are on this list.
Surely you have more information about the quackery of Dr. Hammesfahr.
Then please also check out "Ultrasound Monitoring of Stroke Patients" on www.quackwatch.org. That's not the same article.