• Full text available at: DOAJ Directory of Open Access Journals
• Available from 2015.
  
• Full text available at: Free E- Journals
• Available from 2015.
  
• Full text available at: PubMed Central
• Available from 2015 volume: 1 issue: 1.
  
• Selected full text available at: PubMed Central Open Access
• Full text available at: Scholars Portal Journals: Open Access
• Available from 02/01/2015 volume: 1 issue: 1 until 05/31/2025 volume: 11 issue: 19.
  

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