| article html file updated | 8 February 2020 03:12 CET | Update | https://www.mdpi.com/1660-3397/15/4/114 |
| article html file updated | 24 September 2019 05:38 CEST | Update | - |
| article html file updated | 4 May 2019 02:58 CEST | Update | - |
| article html file updated | 28 April 2017 08:23 CEST | Update | - |
| article html file updated | 9 April 2017 10:09 CEST | Original file | - |
| article xml uploaded. | 9 April 2017 10:08 CEST | Update | https://www.mdpi.com/1660-3397/15/4/114/xml |
| article pdf uploaded. | 9 April 2017 10:08 CEST | Version of Record | https://www.mdpi.com/1660-3397/15/4/114/pdf |
