| article html file updated | 8 February 2020 19:16 CET | Update | https://www.mdpi.com/2075-4450/8/4/111 |
| article html file updated | 27 September 2019 23:12 CEST | Update | - |
| article html file updated | 2 May 2019 19:24 CEST | Update | - |
| article html file updated | 2 January 2018 12:40 CET | Update | - |
| article html file updated | 24 October 2017 10:25 CEST | Original file | - |
| article xml uploaded. | 24 October 2017 10:24 CEST | Original file | https://www.mdpi.com/2075-4450/8/4/111/xml |
| article pdf uploaded. | 24 October 2017 10:24 CEST | Version of Record | https://www.mdpi.com/2075-4450/8/4/111/pdf |
