| article html file updated | 8 February 2020 23:57 CET | Update | https://www.mdpi.com/2079-6382/6/4/36 |
| article html file updated | 29 September 2019 04:27 CEST | Update | - |
| article html file updated | 2 May 2019 08:51 CEST | Update | - |
| article html file updated | 18 April 2019 06:36 CEST | Update | - |
| article html file updated | 2 January 2018 20:27 CET | Update | - |
| article html file updated | 22 December 2017 23:03 CET | Update | - |
| article xml uploaded. | 22 December 2017 03:31 CET | Update | https://www.mdpi.com/2079-6382/6/4/36/xml |
| article pdf uploaded. | 22 December 2017 03:31 CET | Updated version of record | https://www.mdpi.com/2079-6382/6/4/36/pdf |
| article html file updated | 13 December 2017 10:50 CET | Original file | - |
| article xml uploaded. | 13 December 2017 10:49 CET | Original file | - |
| article pdf uploaded. | 13 December 2017 10:49 CET | Version of Record | https://www.mdpi.com/2079-6382/6/4/36/pdf-vor |
