Which of the following statements is not true for contact ulcer?

• A. The commonest site is the junction of anterior 1/3rd and middle 1/3rd of vocal cord and gastroesophageal reflux is the causative factor
• B. Can be caused by intubation injury
• C. The vocal process is the site and is caused / aggravated by acid reflux
• D. Can be caused by adductor dysphonia