| article html file updated | 8 February 2020 03:08 CET | Update | https://www.mdpi.com/1660-3397/15/4/113 |
| article html file updated | 24 September 2019 05:19 CEST | Update | - |
| article html file updated | 4 May 2019 03:05 CEST | Update | - |
| article html file updated | 28 April 2017 08:23 CEST | Update | - |
| article html file updated | 7 April 2017 14:41 CEST | Original file | - |
| article xml uploaded. | 7 April 2017 14:40 CEST | Original file | https://www.mdpi.com/1660-3397/15/4/113/xml |
| article pdf uploaded. | 7 April 2017 14:40 CEST | Version of Record | https://www.mdpi.com/1660-3397/15/4/113/pdf |
