| article html file updated | 8 February 2020 10:07 CET | Update | https://www.mdpi.com/2072-6651/9/7/212 |
| article html file updated | 25 September 2019 18:16 CEST | Update | - |
| article html file updated | 3 May 2019 14:00 CEST | Update | - |
| article html file updated | 31 July 2017 10:03 CEST | Update | - |
| article html file updated | 5 July 2017 10:46 CEST | Original file | - |
| article xml uploaded. | 5 July 2017 10:44 CEST | Original file | https://www.mdpi.com/2072-6651/9/7/212/xml |
| article pdf uploaded. | 5 July 2017 10:44 CEST | Version of Record | https://www.mdpi.com/2072-6651/9/7/212/pdf |
