| article html file updated | 8 February 2020 19:36 CET | Update | https://www.mdpi.com/2079-6382/6/4/22 |
| article html file updated | 28 September 2019 01:13 CEST | Update | - |
| article html file updated | 2 May 2019 18:38 CEST | Update | - |
| article html file updated | 2 January 2018 20:28 CET | Update | - |
| article html file updated | 30 October 2017 04:20 CET | Original file | - |
| article xml uploaded. | 30 October 2017 03:52 CET | Original file | https://www.mdpi.com/2079-6382/6/4/22/xml |
| article pdf uploaded. | 30 October 2017 03:52 CET | Updated version of record | https://www.mdpi.com/2079-6382/6/4/22/pdf |
| article pdf uploaded. | 27 October 2017 11:07 CEST | Version of Record | https://www.mdpi.com/2079-6382/6/4/22/pdf-vor |
