| article html file updated | 7 February 2020 21:45 CET | Update | https://www.mdpi.com/1660-4601/14/1/91 |
| article html file updated | 4 May 2019 14:34 CEST | Update | - |
| article html file updated | 7 February 2017 11:01 CET | Update | - |
| article html file updated | 18 January 2017 13:03 CET | Original file | - |
| article xml uploaded. | 18 January 2017 13:02 CET | Original file | https://www.mdpi.com/1660-4601/14/1/91/xml |
| article pdf uploaded. | 18 January 2017 13:02 CET | Version of Record | https://www.mdpi.com/1660-4601/14/1/91/pdf |
