Check study access rights and study exists. Fix #445
Check study access rights and study exists. Fix #445

ElDeveloper/qiita,adamrp/qiita,ElDeveloper/qiita,biocore/qiita,squirrelo/qiita,biocore/qiita,squirrelo/qiita,ElDeveloper/qiita,adamrp/qiita,antgonza/qiita,biocore/qiita,squirrelo/qiita,RNAer/qiita,antgonza/qiita,wasade/qiita,josenavas/QiiTa,squirrelo/qiita,josenavas/QiiTa,RNAer/qiita,antgonza/qiita,adamrp/qiita,antgonza/qiita,adamrp/qiita,RNAer/qiita,wasade/qiita,josenavas/QiiTa,RNAer/qiita,ElDeveloper/qiita,biocore/qiita,josenavas/QiiTa,wasade/qiita