| article html file updated | 8 February 2020 02:53 CET | Update | https://www.mdpi.com/1660-3397/15/4/105 |
| article html file updated | 24 September 2019 03:54 CEST | Update | - |
| article html file updated | 4 May 2019 03:38 CEST | Update | - |
| article html file updated | 28 April 2017 08:22 CEST | Update | - |
| article html file updated | 4 April 2017 12:02 CEST | Original file | - |
| article xml uploaded. | 4 April 2017 12:01 CEST | Original file | https://www.mdpi.com/1660-3397/15/4/105/xml |
| article pdf uploaded. | 4 April 2017 12:01 CEST | Version of Record | https://www.mdpi.com/1660-3397/15/4/105/pdf |
