{"type":"rich","version":"1.0","title":"2 Literature review","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/ZVY_Kq_HfWTH8oNK/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/65563f2aafc77d64c7f2834a\" frameborder=\"0\" allowfullscreen></iframe>"}