| article html file updated | 8 February 2020 23:37 CET | Update | https://www.mdpi.com/1996-1073/10/12/2090 |
| article html file updated | 29 September 2019 02:26 CEST | Update | N/A |
| article html file updated | 2 May 2019 09:37 CEST | Update | N/A |
| article html file updated | 18 April 2019 07:18 CEST | Update | N/A |
| article html file updated | 2 January 2018 19:55 CET | Update | N/A |
| article html file updated | 9 December 2017 09:34 CET | Original file | N/A |
| article xml uploaded. | 9 December 2017 09:33 CET | Original file | https://www.mdpi.com/1996-1073/10/12/2090/xml |
| article pdf uploaded. | 9 December 2017 09:33 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/2090/pdf |
