| article html file updated | 8 February 2020 03:17 CET | Update | https://www.mdpi.com/1420-3049/22/4/612 |
| article html file updated | 24 September 2019 06:05 CEST | Update | - |
| article html file updated | 4 May 2019 02:48 CEST | Update | - |
| article html file updated | 11 September 2018 05:05 CEST | Update | - |
| article html file updated | 28 April 2017 10:23 CEST | Update | - |
| article html file updated | 11 April 2017 13:30 CEST | Original file | - |
| article xml uploaded. | 11 April 2017 13:29 CEST | Original file | https://www.mdpi.com/1420-3049/22/4/612/xml |
| article pdf uploaded. | 11 April 2017 13:29 CEST | Updated version of record | https://www.mdpi.com/1420-3049/22/4/612/pdf |
| article pdf uploaded. | 10 April 2017 12:46 CEST | Version of Record | https://www.mdpi.com/1420-3049/22/4/612/pdf-vor |
