U.S. News & World Report (August 2018)
Different Types of Pain, Explained

Australian Broadcasting Corporation (April 2018)
The psychosocial factors of pain

U.S. News & World Report (August 2016)
Back to School for Kids With Chronic Pain

Fox News (January 2015) 
Lack of sleep, parent’s anxiety may affects kids’ pain after surgery  

 Science Daily (October 2014) 
Adolescent chronic pain costs $19.5 billion a year in United States