Both are ok with no difference. Do not go too deep when you study Korean. 

걱정하다.걱정되다. 걱정들다. All are similar, just as "speak English" and "speak in English" or "Don't worry" and "Don't be worried" have same meaning of just different expressions.

*It's a forum for duscussions. You can post your questions on question part. ^^ 

정말 감사합니다 :))))