| article html file updated | 7 February 2020 18:03 CET | Update | https://www.mdpi.com/2076-0787/5/4/85 |
| article html file updated | 4 May 2019 22:27 CEST | Update | N/A |
| article html file updated | 16 November 2016 03:36 CET | Original file | N/A |
| article xml uploaded. | 16 November 2016 03:35 CET | Original file | https://www.mdpi.com/2076-0787/5/4/85/xml |
| article pdf uploaded. | 16 November 2016 03:35 CET | Version of Record | https://www.mdpi.com/2076-0787/5/4/85/pdf |
