| article html file updated | 9 February 2020 10:48 CET | Update | https://www.mdpi.com/2071-1050/10/4/921 |
| article html file updated | 1 October 2019 20:53 CEST | Update | N/A |
| article html file updated | 1 May 2019 09:40 CEST | Update | N/A |
| article html file updated | 17 April 2019 09:34 CEST | Update | N/A |
| article html file updated | 29 March 2019 08:45 CET | Update | N/A |
| article html file updated | 2 May 2018 10:53 CEST | Update | N/A |
| article html file updated | 22 March 2018 16:47 CET | Original file | N/A |
| article xml uploaded. | 22 March 2018 16:46 CET | Original file | https://www.mdpi.com/2071-1050/10/4/921/xml |
| article pdf uploaded. | 22 March 2018 16:46 CET | Version of Record | https://www.mdpi.com/2071-1050/10/4/921/pdf |
