| article html file updated | 8 February 2020 09:43 CET | Update | https://www.mdpi.com/2072-6651/9/7/208 |
| article html file updated | 25 September 2019 16:05 CEST | Update | - |
| article html file updated | 3 May 2019 14:46 CEST | Update | - |
| article html file updated | 31 July 2017 10:02 CEST | Update | - |
| article html file updated | 30 June 2017 15:07 CEST | Original file | - |
| article xml uploaded. | 30 June 2017 15:06 CEST | Original file | https://www.mdpi.com/2072-6651/9/7/208/xml |
| article pdf uploaded. | 30 June 2017 15:06 CEST | Version of Record | https://www.mdpi.com/2072-6651/9/7/208/pdf |
