| article html file updated | 8 February 2020 08:17 CET | Update | https://www.mdpi.com/2079-6412/7/6/80 |
| article html file updated | 25 September 2019 08:27 CEST | Update | - |
| article html file updated | 3 May 2019 17:28 CEST | Update | - |
| article html file updated | 27 June 2017 10:03 CEST | Update | - |
| article html file updated | 14 June 2017 15:11 CEST | Original file | - |
| article xml uploaded. | 14 June 2017 15:10 CEST | Original file | https://www.mdpi.com/2079-6412/7/6/80/xml |
| article pdf uploaded. | 14 June 2017 15:10 CEST | Version of Record | https://www.mdpi.com/2079-6412/7/6/80/pdf |
