| article html file updated | 8 February 2020 18:39 CET | Update | https://www.mdpi.com/2076-328X/7/4/70 |
| article html file updated | 27 September 2019 19:36 CEST | Update | - |
| article html file updated | 2 May 2019 20:50 CEST | Update | - |
| article html file updated | 2 January 2018 11:41 CET | Update | - |
| article pdf uploaded. | 19 October 2017 10:57 CEST | Updated version of record | https://www.mdpi.com/2076-328X/7/4/70/pdf |
| article html file updated | 17 October 2017 11:31 CEST | Original file | - |
| article xml uploaded. | 17 October 2017 11:30 CEST | Original file | https://www.mdpi.com/2076-328X/7/4/70/xml |
| article pdf uploaded. | 17 October 2017 11:30 CEST | Version of Record | https://www.mdpi.com/2076-328X/7/4/70/pdf-vor |
