| article html file updated | 9 February 2020 05:45 CET | Update | https://www.mdpi.com/1999-4893/11/2/17 |
| article html file updated | 30 September 2019 14:06 CEST | Update | - |
| article html file updated | 1 May 2019 20:26 CEST | Update | - |
| article html file updated | 17 April 2019 19:29 CEST | Update | - |
| article html file updated | 28 March 2019 21:25 CET | Update | - |
| article html file updated | 14 March 2018 09:17 CET | Update | - |
| article html file updated | 11 February 2018 06:35 CET | Original file | - |
| article xml uploaded. | 11 February 2018 06:33 CET | Update | https://www.mdpi.com/1999-4893/11/2/17/xml |
| article xml uploaded. | 11 February 2018 06:33 CET | Original file | - |
| article pdf uploaded. | 11 February 2018 06:33 CET | Updated version of record | https://www.mdpi.com/1999-4893/11/2/17/pdf |
| article pdf uploaded. | 6 February 2018 19:40 CET | Version of Record | https://www.mdpi.com/1999-4893/11/2/17/pdf-vor |
