| article html file updated | 9 February 2020 14:03 CET | Update | https://www.mdpi.com/2071-1050/10/4/1209 |
| article html file updated | 2 October 2019 16:20 CEST | Update | N/A |
| article html file updated | 1 May 2019 03:00 CEST | Update | N/A |
| article html file updated | 17 April 2019 03:27 CEST | Update | N/A |
| article html file updated | 29 March 2019 16:13 CET | Update | N/A |
| article html file updated | 2 May 2018 12:01 CEST | Update | N/A |
| article html file updated | 17 April 2018 06:07 CEST | Original file | N/A |
| article xml uploaded. | 17 April 2018 06:06 CEST | Update | https://www.mdpi.com/2071-1050/10/4/1209/xml |
| article pdf uploaded. | 17 April 2018 06:06 CEST | Version of Record | https://www.mdpi.com/2071-1050/10/4/1209/pdf |
