| article html file updated | 8 February 2020 00:45 CET | Update | https://www.mdpi.com/2079-4991/7/3/55 |
| article html file updated | 23 September 2019 15:40 CEST | Update | - |
| article html file updated | 4 May 2019 08:18 CEST | Update | - |
| article html file updated | 30 March 2017 11:57 CEST | Update | - |
| article html file updated | 6 March 2017 05:36 CET | Original file | - |
| article xml uploaded. | 6 March 2017 05:34 CET | Update | https://www.mdpi.com/2079-4991/7/3/55/xml |
| article pdf uploaded. | 6 March 2017 05:34 CET | Updated version of record | https://www.mdpi.com/2079-4991/7/3/55/pdf |
| article pdf uploaded. | 3 March 2017 16:49 CET | Version of Record | https://www.mdpi.com/2079-4991/7/3/55/pdf-vor |
