| article html file updated | 8 February 2020 04:02 CET | Update | https://www.mdpi.com/1420-3049/22/4/661 |
| article html file updated | 24 September 2019 10:22 CEST | Update | - |
| article html file updated | 4 May 2019 01:22 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 13:11 CEST | Original file | - |
| article xml uploaded. | 24 April 2017 13:10 CEST | Original file | https://www.mdpi.com/1420-3049/22/4/661/xml |
| article pdf uploaded. | 24 April 2017 13:10 CEST | Updated version of record | https://www.mdpi.com/1420-3049/22/4/661/pdf |
| article pdf uploaded. | 20 April 2017 13:37 CEST | Version of Record | https://www.mdpi.com/1420-3049/22/4/661/pdf-vor |
