Is your stuttering psychological or anxiety-based: research "Is stuttering a case of anxiety disorders?"

Is your stuttering psychological or anxiety-based: research "Is stuttering a case of anxiety disorders?" Take a quick look at: [https://www.researchgate.net/publication/322771968\_Is\_stuttering\_a\_case\_of\_anxiety\_disorders](https://www.researchgate.net/publication/322771968_Is_stuttering_a_case_of_anxiety_disorders) Please share your thoughts