| article html file updated | 8 February 2020 03:28 CET | Update | https://www.mdpi.com/1420-3049/22/4/621 |
| article html file updated | 24 September 2019 07:01 CEST | Update | - |
| article html file updated | 4 May 2019 02:26 CEST | Update | - |
| article html file updated | 11 September 2018 05:07 CEST | Update | - |
| article html file updated | 28 April 2017 10:24 CEST | Update | - |
| article html file updated | 12 April 2017 15:05 CEST | Original file | - |
| article xml uploaded. | 12 April 2017 15:03 CEST | Original file | https://www.mdpi.com/1420-3049/22/4/621/xml |
| article pdf uploaded. | 12 April 2017 15:03 CEST | Version of Record | https://www.mdpi.com/1420-3049/22/4/621/pdf |
