| article html file updated | 8 February 2020 03:26 CET | Update | https://www.mdpi.com/1660-3397/15/4/118 |
| article html file updated | 24 September 2019 06:52 CEST | Update | - |
| article html file updated | 4 May 2019 02:29 CEST | Update | - |
| article html file updated | 28 April 2017 08:24 CEST | Update | - |
| article html file updated | 12 April 2017 12:32 CEST | Original file | - |
| article xml uploaded. | 12 April 2017 12:31 CEST | Update | https://www.mdpi.com/1660-3397/15/4/118/xml |
| article pdf uploaded. | 12 April 2017 12:31 CEST | Version of Record | https://www.mdpi.com/1660-3397/15/4/118/pdf |
