| article html file updated | 8 February 2020 16:54 CET | Update | https://www.mdpi.com/2071-1050/9/10/1691 |
| article html file updated | 27 September 2019 07:31 CEST | Update | N/A |
| article html file updated | 3 May 2019 00:36 CEST | Update | N/A |
| article html file updated | 3 November 2017 04:29 CET | Update | N/A |
| article html file updated | 22 September 2017 16:30 CEST | Original file | N/A |
| article xml uploaded. | 22 September 2017 16:28 CEST | Update | https://www.mdpi.com/2071-1050/9/10/1691/xml |
| article xml uploaded. | 22 September 2017 16:28 CEST | Original file | N/A |
| article pdf uploaded. | 22 September 2017 16:28 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/10/1691/pdf |
