| article html file updated | 8 February 2020 08:47 CET | Update | https://www.mdpi.com/1660-3397/15/6/186 |
| article html file updated | 25 September 2019 11:01 CEST | Update | - |
| article html file updated | 3 May 2019 16:31 CEST | Update | - |
| article html file updated | 27 June 2017 11:31 CEST | Update | - |
| article html file updated | 22 June 2017 11:36 CEST | Original file | - |
| article xml uploaded. | 22 June 2017 02:27 CEST | Update | https://www.mdpi.com/1660-3397/15/6/186/xml |
| article pdf uploaded. | 22 June 2017 02:27 CEST | Updated version of record | https://www.mdpi.com/1660-3397/15/6/186/pdf |
| article pdf uploaded. | 20 June 2017 12:56 CEST | Version of Record | https://www.mdpi.com/1660-3397/15/6/186/pdf-vor |
