A diagnosis of Waardenburg syndrome (WS) is made based on the presence of signs and symptoms. In 1992, the Waardenburg Consortium proposed diagnostic criteria, which includes both major and minor criteria. A diagnosis of WS type 1 (the most common type) needs 2 major, or 1 major and 2 minor of the following criteria:
They are brand names that have to be capitalized. It's like vitamin C as a substance should not be capitalized but all words in a brand name of a product such as Chewable Vitamin C or Vicks Vitamin C Drops should be capitalized.ditor # 2 tells me that the word vitamin should only be capitalized when it is the first word in a sentence. Any other time, the spelling should be lower case, as in vitamin C. Both of these editors require text written in US English, so language differences between cultures does not appear to be a factor.
For other uses, see Vitamin C (disambiguation). Vitamin C, also known as ascorbic acid and L-ascorbic acid, is a vitamin found in food and used as a dietary supplement. As a supplement it is used to treat and prevent scurvy. Evidence does not support use in the general population for the prevention of the common cold. It may be taken by mouth or by injection.