| article html file updated | 8 February 2020 21:29 CET | Update | https://www.mdpi.com/2071-1050/9/11/2111 |
| article html file updated | 28 September 2019 13:28 CEST | Update | N/A |
| article html file updated | 2 May 2019 14:20 CEST | Update | N/A |
| article html file updated | 18 April 2019 11:59 CEST | Update | N/A |
| article html file updated | 30 November 2017 13:18 CET | Update | N/A |
| article html file updated | 17 November 2017 14:45 CET | Original file | N/A |
| article xml uploaded. | 17 November 2017 14:44 CET | Original file | https://www.mdpi.com/2071-1050/9/11/2111/xml |
| article pdf uploaded. | 17 November 2017 14:44 CET | Version of Record | https://www.mdpi.com/2071-1050/9/11/2111/pdf |
