| article html file updated | 8 February 2020 08:41 CET | Update | https://www.mdpi.com/1660-3397/15/6/184 |
| article html file updated | 25 September 2019 10:33 CEST | Update | - |
| article html file updated | 3 May 2019 16:41 CEST | Update | - |
| article html file updated | 27 June 2017 11:31 CEST | Update | - |
| article html file updated | 20 June 2017 11:24 CEST | Original file | - |
| article xml uploaded. | 20 June 2017 11:23 CEST | Original file | https://www.mdpi.com/1660-3397/15/6/184/xml |
| article pdf uploaded. | 20 June 2017 11:23 CEST | Updated version of record | https://www.mdpi.com/1660-3397/15/6/184/pdf |
| article pdf uploaded. | 19 June 2017 13:23 CEST | Version of Record | https://www.mdpi.com/1660-3397/15/6/184/pdf-vor |
