| article html file updated | 8 February 2020 10:48 CET | Update | https://www.mdpi.com/2071-1050/9/7/1221 |
| article html file updated | 25 September 2019 21:42 CEST | Update | N/A |
| article html file updated | 3 May 2019 12:45 CEST | Update | N/A |
| article html file updated | 31 July 2017 09:51 CEST | Update | N/A |
| article html file updated | 12 July 2017 14:45 CEST | Original file | N/A |
| article xml uploaded. | 12 July 2017 14:44 CEST | Original file | https://www.mdpi.com/2071-1050/9/7/1221/xml |
| article pdf uploaded. | 12 July 2017 14:44 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/7/1221/pdf |
