| article html file updated | 8 February 2020 15:40 CET | Update | https://www.mdpi.com/1420-3049/22/9/1504 |
| article html file updated | 3 May 2019 02:55 CEST | Update | - |
| article html file updated | 30 September 2017 12:52 CEST | Update | - |
| article html file updated | 8 September 2017 15:33 CEST | Original file | - |
| article xml uploaded. | 8 September 2017 15:32 CEST | Original file | https://www.mdpi.com/1420-3049/22/9/1504/xml |
| article pdf uploaded. | 8 September 2017 15:32 CEST | Updated version of record | https://www.mdpi.com/1420-3049/22/9/1504/pdf |
| article pdf uploaded. | 8 September 2017 12:14 CEST | Version of Record | - |
