| article html file updated | 8 February 2020 04:16 CET | Update | https://www.mdpi.com/1420-3049/22/4/668 |
| article html file updated | 24 September 2019 11:42 CEST | Update | - |
| article html file updated | 4 May 2019 00:56 CEST | Update | - |
| article html file updated | 11 September 2018 05:15 CEST | Update | - |
| article html file updated | 28 April 2017 10:32 CEST | Update | - |
| article html file updated | 24 April 2017 13:04 CEST | Original file | - |
| article xml uploaded. | 24 April 2017 13:03 CEST | Update | https://www.mdpi.com/1420-3049/22/4/668/xml |
| article pdf uploaded. | 24 April 2017 13:03 CEST | Version of Record | https://www.mdpi.com/1420-3049/22/4/668/pdf |
