| article html file updated | 8 February 2020 10:17 CET | Update | https://www.mdpi.com/2071-1050/9/7/1174 |
| article html file updated | 25 September 2019 19:05 CEST | Update | N/A |
| article html file updated | 3 May 2019 13:42 CEST | Update | N/A |
| article html file updated | 31 July 2017 09:47 CEST | Update | N/A |
| article html file updated | 10 July 2017 12:30 CEST | Original file | N/A |
| article xml uploaded. | 10 July 2017 12:28 CEST | Update | https://www.mdpi.com/2071-1050/9/7/1174/xml |
| article pdf uploaded. | 10 July 2017 12:28 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/7/1174/pdf |
| article pdf uploaded. | 6 July 2017 13:33 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/7/1174/pdf-vor |
