| article html file updated | 8 February 2020 20:57 CET | Update | https://www.mdpi.com/2071-1050/9/11/2071 |
| article html file updated | 28 September 2019 09:58 CEST | Update | N/A |
| article html file updated | 2 May 2019 15:31 CEST | Update | N/A |
| article html file updated | 30 November 2017 13:00 CET | Update | N/A |
| article html file updated | 11 November 2017 12:02 CET | Original file | N/A |
| article xml uploaded. | 11 November 2017 12:01 CET | Update | https://www.mdpi.com/2071-1050/9/11/2071/xml |
| article xml uploaded. | 11 November 2017 12:01 CET | Original file | N/A |
| article pdf uploaded. | 11 November 2017 12:01 CET | Version of Record | https://www.mdpi.com/2071-1050/9/11/2071/pdf |
