| article html file updated | 8 February 2020 15:53 CET | Update | https://www.mdpi.com/1420-3049/22/9/1521 |
| article html file updated | 3 May 2019 02:32 CEST | Update | - |
| article html file updated | 30 September 2017 12:54 CEST | Update | - |
| article html file updated | 11 September 2017 14:18 CEST | Original file | - |
| article xml uploaded. | 11 September 2017 14:17 CEST | Original file | https://www.mdpi.com/1420-3049/22/9/1521/xml |
| article pdf uploaded. | 11 September 2017 14:17 CEST | Version of Record | https://www.mdpi.com/1420-3049/22/9/1521/pdf |
