| article html file updated | 8 February 2020 09:55 CET | Update | https://www.mdpi.com/2072-6694/9/7/76 |
| article html file updated | 25 September 2019 17:16 CEST | Update | - |
| article html file updated | 3 May 2019 14:22 CEST | Update | - |
| article html file updated | 28 July 2017 11:04 CEST | Update | - |
| article html file updated | 3 July 2017 11:23 CEST | Original file | - |
| article xml uploaded. | 3 July 2017 11:22 CEST | Original file | https://www.mdpi.com/2072-6694/9/7/76/xml |
| article pdf uploaded. | 3 July 2017 11:22 CEST | Version of Record | https://www.mdpi.com/2072-6694/9/7/76/pdf |
