| article html file updated | 8 February 2020 03:18 CET | Update | https://www.mdpi.com/1660-3397/15/4/116 |
| article html file updated | 24 September 2019 06:11 CEST | Update | - |
| article html file updated | 4 May 2019 02:45 CEST | Update | - |
| article html file updated | 28 April 2017 08:24 CEST | Update | - |
| article html file updated | 11 April 2017 05:24 CEST | Original file | - |
| article xml uploaded. | 11 April 2017 05:22 CEST | Original file | https://www.mdpi.com/1660-3397/15/4/116/xml |
| article pdf uploaded. | 11 April 2017 05:22 CEST | Version of Record | https://www.mdpi.com/1660-3397/15/4/116/pdf |
