| article html file updated | 8 February 2020 03:00 CET | Update | https://www.mdpi.com/2072-6651/9/4/129 |
| article html file updated | 24 September 2019 04:33 CEST | Update | - |
| article html file updated | 4 May 2019 03:21 CEST | Update | - |
| article html file updated | 28 April 2017 11:15 CEST | Update | - |
| article html file updated | 10 April 2017 05:01 CEST | Original file | - |
| article xml uploaded. | 10 April 2017 05:00 CEST | Update | https://www.mdpi.com/2072-6651/9/4/129/xml |
| article pdf uploaded. | 10 April 2017 05:00 CEST | Updated version of record | https://www.mdpi.com/2072-6651/9/4/129/pdf |
| article pdf uploaded. | 6 April 2017 13:26 CEST | Version of Record | https://www.mdpi.com/2072-6651/9/4/129/pdf-vor |
