| article html file updated | 8 February 2020 04:40 CET | Update | https://www.mdpi.com/2218-0532/85/2/22 |
| article html file updated | 24 September 2019 13:44 CEST | Update | - |
| article html file updated | 4 May 2019 00:14 CEST | Update | - |
| article html file updated | 29 June 2017 11:50 CEST | Update | - |
| article html file updated | 8 May 2017 09:41 CEST | Original file | - |
| article xml uploaded. | 8 May 2017 09:40 CEST | Original file | https://www.mdpi.com/2218-0532/85/2/22/xml |
| article pdf uploaded. | 8 May 2017 09:40 CEST | Updated version of record | https://www.mdpi.com/2218-0532/85/2/22/pdf |
| article pdf uploaded. | 28 April 2017 16:14 CEST | Version of Record | https://www.mdpi.com/2218-0532/85/2/22/pdf-vor |
