| article html file updated | 8 February 2020 10:39 CET | Update | https://www.mdpi.com/2071-1050/9/7/1212 |
| article html file updated | 25 September 2019 20:52 CEST | Update | - |
| article html file updated | 3 May 2019 13:02 CEST | Update | - |
| article html file updated | 31 July 2017 09:51 CEST | Update | - |
| article html file updated | 10 July 2017 15:51 CEST | Original file | - |
| article xml uploaded. | 10 July 2017 15:49 CEST | Original file | https://www.mdpi.com/2071-1050/9/7/1212/xml |
| article pdf uploaded. | 10 July 2017 15:49 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/7/1212/pdf |
