| article html file updated | 9 February 2020 02:52 CET | Update | https://www.mdpi.com/1999-4907/9/1/27 |
| article html file updated | 29 September 2019 20:55 CEST | Update | - |
| article html file updated | 2 May 2019 02:38 CEST | Update | - |
| article html file updated | 18 April 2019 00:51 CEST | Update | - |
| article html file updated | 28 March 2019 15:07 CET | Update | - |
| article html file updated | 1 February 2018 13:12 CET | Update | - |
| article html file updated | 12 January 2018 15:01 CET | Original file | - |
| article xml uploaded. | 12 January 2018 15:00 CET | Update | https://www.mdpi.com/1999-4907/9/1/27/xml |
| article xml uploaded. | 12 January 2018 15:00 CET | Original file | - |
| article pdf uploaded. | 12 January 2018 15:00 CET | Version of Record | https://www.mdpi.com/1999-4907/9/1/27/pdf |
