| article html file updated | 7 February 2020 19:57 CET | Update | https://www.mdpi.com/2075-4450/7/4/80 |
| article html file updated | 22 September 2019 13:17 CEST | Update | - |
| article html file updated | 4 May 2019 18:32 CEST | Update | - |
| article html file updated | 29 December 2016 04:35 CET | Update | - |
| article html file updated | 20 December 2016 09:24 CET | Original file | - |
| article xml uploaded. | 20 December 2016 09:23 CET | Original file | https://www.mdpi.com/2075-4450/7/4/80/xml |
| article pdf uploaded. | 20 December 2016 09:23 CET | Version of Record | https://www.mdpi.com/2075-4450/7/4/80/pdf |
