| article html file updated | 9 February 2020 07:30 CET | Update | https://www.mdpi.com/2079-9292/7/2/25 |
| article html file updated | 1 October 2019 00:21 CEST | Update | - |
| article html file updated | 1 May 2019 16:37 CEST | Update | - |
| article html file updated | 17 April 2019 16:02 CEST | Update | - |
| article html file updated | 29 March 2019 01:11 CET | Update | - |
| article html file updated | 14 March 2018 11:37 CET | Update | - |
| article html file updated | 25 February 2018 07:26 CET | Original file | - |
| article xml uploaded. | 25 February 2018 07:25 CET | Update | https://www.mdpi.com/2079-9292/7/2/25/xml |
| article xml uploaded. | 25 February 2018 07:25 CET | Original file | - |
| article pdf uploaded. | 25 February 2018 07:25 CET | Updated version of record | https://www.mdpi.com/2079-9292/7/2/25/pdf |
| article pdf uploaded. | 24 February 2018 10:51 CET | Version of Record | https://www.mdpi.com/2079-9292/7/2/25/pdf-vor |
