| article html file updated | 8 February 2020 07:32 CET | Update | https://www.mdpi.com/1660-3397/15/6/166 |
| article html file updated | 25 September 2019 04:35 CEST | Update | - |
| article html file updated | 3 May 2019 18:51 CEST | Update | - |
| article html file updated | 27 June 2017 11:29 CEST | Update | - |
| article html file updated | 7 June 2017 12:21 CEST | Original file | - |
| article xml uploaded. | 7 June 2017 12:19 CEST | Original file | https://www.mdpi.com/1660-3397/15/6/166/xml |
| article pdf uploaded. | 7 June 2017 12:19 CEST | Updated version of record | https://www.mdpi.com/1660-3397/15/6/166/pdf |
| article pdf uploaded. | 6 June 2017 14:53 CEST | Version of Record | https://www.mdpi.com/1660-3397/15/6/166/pdf-vor |
