| article html file updated | 9 February 2020 13:26 CET | Update | https://www.mdpi.com/1999-4893/11/4/45 |
| article html file updated | 2 October 2019 12:31 CEST | Update | - |
| article html file updated | 1 May 2019 04:15 CEST | Update | - |
| article html file updated | 17 April 2019 04:34 CEST | Update | - |
| article html file updated | 29 March 2019 14:47 CET | Update | - |
| article html file updated | 1 May 2018 05:42 CEST | Update | - |
| article html file updated | 16 April 2018 04:12 CEST | Original file | - |
| article xml uploaded. | 16 April 2018 04:11 CEST | Original file | https://www.mdpi.com/1999-4893/11/4/45/xml |
| article pdf uploaded. | 16 April 2018 04:11 CEST | Updated version of record | https://www.mdpi.com/1999-4893/11/4/45/pdf |
| article pdf uploaded. | 11 April 2018 17:48 CEST | Version of Record | https://www.mdpi.com/1999-4893/11/4/45/pdf-vor |