| article html file updated | 8 February 2020 07:45 CET | Update | https://www.mdpi.com/1660-3397/15/6/167 |
| article html file updated | 25 September 2019 05:42 CEST | Update | - |
| article html file updated | 3 May 2019 18:27 CEST | Update | - |
| article html file updated | 27 June 2017 11:29 CEST | Update | - |
| article html file updated | 12 June 2017 08:56 CEST | Original file | - |
| article xml uploaded. | 12 June 2017 08:55 CEST | Original file | https://www.mdpi.com/1660-3397/15/6/167/xml |
| article pdf uploaded. | 12 June 2017 08:55 CEST | Updated version of record | https://www.mdpi.com/1660-3397/15/6/167/pdf |
| article pdf uploaded. | 8 June 2017 11:04 CEST | Version of Record | https://www.mdpi.com/1660-3397/15/6/167/pdf-vor |
