| article html file updated | 9 February 2020 04:12 CET | Update | https://www.mdpi.com/2079-4983/9/1/13 |
| article html file updated | 30 September 2019 04:33 CEST | Update | - |
| article html file updated | 1 May 2019 23:52 CEST | Update | - |
| article html file updated | 17 April 2019 22:24 CEST | Update | - |
| article html file updated | 28 March 2019 18:02 CET | Update | - |
| article html file updated | 27 March 2018 14:41 CEST | Update | - |
| article html file updated | 24 January 2018 16:26 CET | Original file | - |
| article xml uploaded. | 24 January 2018 16:25 CET | Update | https://www.mdpi.com/2079-4983/9/1/13/xml |
| article xml uploaded. | 24 January 2018 16:25 CET | Original file | - |
| article pdf uploaded. | 24 January 2018 16:25 CET | Version of Record | https://www.mdpi.com/2079-4983/9/1/13/pdf |
