| article html file updated | 8 February 2020 08:03 CET | Update | https://www.mdpi.com/1420-3049/22/6/974 |
| article html file updated | 25 September 2019 07:12 CEST | Update | - |
| article html file updated | 3 May 2019 17:53 CEST | Update | - |
| article html file updated | 11 September 2018 04:11 CEST | Update | - |
| article html file updated | 30 June 2017 12:30 CEST | Update | - |
| article html file updated | 13 June 2017 03:04 CEST | Original file | - |
| article xml uploaded. | 13 June 2017 03:03 CEST | Original file | https://www.mdpi.com/1420-3049/22/6/974/xml |
| article pdf uploaded. | 13 June 2017 03:03 CEST | Updated version of record | https://www.mdpi.com/1420-3049/22/6/974/pdf |
| article pdf uploaded. | 12 June 2017 10:54 CEST | Version of Record | https://www.mdpi.com/1420-3049/22/6/974/pdf-vor |
