| article html file updated | 8 February 2020 08:18 CET | Update | https://www.mdpi.com/1420-3049/22/6/990 |
| article html file updated | 25 September 2019 08:31 CEST | Update | - |
| article html file updated | 3 May 2019 17:26 CEST | Update | - |
| article html file updated | 11 September 2018 04:12 CEST | Update | - |
| article html file updated | 30 June 2017 12:33 CEST | Update | - |
| article html file updated | 14 June 2017 14:47 CEST | Original file | - |
| article xml uploaded. | 14 June 2017 14:46 CEST | Original file | https://www.mdpi.com/1420-3049/22/6/990/xml |
| article pdf uploaded. | 14 June 2017 14:46 CEST | Version of Record | https://www.mdpi.com/1420-3049/22/6/990/pdf |
