| article html file updated | 12 February 2020 19:44 CET | Update | https://www.mdpi.com/2073-4352/9/6/307 |
| article html file updated | 21 October 2019 21:44 CEST | Update | - |
| article html file updated | 3 July 2019 16:30 CEST | Update | - |
| article html file updated | 14 June 2019 12:06 CEST | Original file | - |
| article pdf uploaded. | 14 June 2019 12:04 CEST | Version of Record | https://www.mdpi.com/2073-4352/9/6/307/pdf |
| article xml uploaded. | 14 June 2019 12:04 CEST | Update | https://www.mdpi.com/2073-4352/9/6/307/xml |
| article xml file uploaded | 14 June 2019 12:04 CEST | Original file | - |
