| article html file updated | 8 February 2020 08:58 CET | Update | https://www.mdpi.com/2072-6651/9/7/196 |
| article html file updated | 25 September 2019 11:58 CEST | Update | - |
| article html file updated | 3 May 2019 16:10 CEST | Update | - |
| article html file updated | 31 July 2017 10:06 CEST | Update | - |
| article html file updated | 22 June 2017 11:43 CEST | Original file | - |
| article xml uploaded. | 22 June 2017 11:42 CEST | Original file | https://www.mdpi.com/2072-6651/9/7/196/xml |
| article pdf uploaded. | 22 June 2017 11:42 CEST | Version of Record | https://www.mdpi.com/2072-6651/9/7/196/pdf |
