| article html file updated | 8 February 2020 20:47 CET | Update | https://www.mdpi.com/1996-1073/10/11/1807 |
| article html file updated | 28 September 2019 08:55 CEST | Update | N/A |
| article html file updated | 2 May 2019 15:53 CEST | Update | N/A |
| article html file updated | 30 November 2017 11:09 CET | Update | N/A |
| article html file updated | 9 November 2017 15:42 CET | Original file | N/A |
| article xml uploaded. | 9 November 2017 15:41 CET | Original file | https://www.mdpi.com/1996-1073/10/11/1807/xml |
| article pdf uploaded. | 9 November 2017 15:41 CET | Version of Record | https://www.mdpi.com/1996-1073/10/11/1807/pdf |
