Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Erika Rasure is globally-recognized as a ...

Julie Young is an experienced financial writer and editor. She specializes in financial analysis in capital planning and investment management. Gordon Scott has been an active investor and technical ...

Author contribution: idea, preparation of the manuscript and approval of the submitted version. Ayyad Zartasht Khan MD, PhD. The author has completed the ICMJE form and declares no conflicts of ...