| article html file updated | 8 February 2020 08:05 CET | Update | https://www.mdpi.com/1420-3049/22/6/977 |
| article html file updated | 25 September 2019 07:21 CEST | Update | - |
| article html file updated | 3 May 2019 17:50 CEST | Update | - |
| article html file updated | 11 September 2018 04:11 CEST | Update | - |
| article html file updated | 30 June 2017 12:31 CEST | Update | - |
| article html file updated | 13 June 2017 12:24 CEST | Original file | - |
| article xml uploaded. | 13 June 2017 12:22 CEST | Update | https://www.mdpi.com/1420-3049/22/6/977/xml |
| article pdf uploaded. | 13 June 2017 12:22 CEST | Updated version of record | https://www.mdpi.com/1420-3049/22/6/977/pdf |
| article pdf uploaded. | 12 June 2017 12:22 CEST | Version of Record | https://www.mdpi.com/1420-3049/22/6/977/pdf-vor |
