| article html file updated | 8 February 2020 17:58 CET | Update | https://www.mdpi.com/2071-1050/9/10/1809 |
| article html file updated | 27 September 2019 14:39 CEST | Update | N/A |
| article html file updated | 2 May 2019 22:23 CEST | Update | N/A |
| article html file updated | 3 November 2017 04:44 CET | Update | N/A |
| article html file updated | 12 October 2017 06:28 CEST | Original file | N/A |
| article xml uploaded. | 12 October 2017 06:26 CEST | Update | https://www.mdpi.com/2071-1050/9/10/1809/xml |
| article xml uploaded. | 12 October 2017 06:26 CEST | Original file | N/A |
| article pdf uploaded. | 12 October 2017 06:26 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/10/1809/pdf |
| article pdf uploaded. | 8 October 2017 12:02 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/10/1809/pdf-vor |
