| article html file updated | 8 February 2020 03:56 CET | Update | https://www.mdpi.com/1420-3049/22/4/656 |
| article html file updated | 24 September 2019 09:51 CEST | Update | - |
| article html file updated | 4 May 2019 01:32 CEST | Update | - |
| article html file updated | 11 September 2018 05:13 CEST | Update | - |
| article html file updated | 28 April 2017 10:30 CEST | Update | - |
| article html file updated | 24 April 2017 13:24 CEST | Original file | - |
| article xml uploaded. | 24 April 2017 13:23 CEST | Original file | https://www.mdpi.com/1420-3049/22/4/656/xml |
| article pdf uploaded. | 24 April 2017 13:23 CEST | Updated version of record | https://www.mdpi.com/1420-3049/22/4/656/pdf |
| article pdf uploaded. | 19 April 2017 15:19 CEST | Version of Record | https://www.mdpi.com/1420-3049/22/4/656/pdf-vor |