| article html file updated | 8 February 2020 07:02 CET | Update | https://www.mdpi.com/1420-3049/22/6/903 |
| article html file updated | 25 September 2019 02:04 CEST | Update | - |
| article html file updated | 3 May 2019 19:48 CEST | Update | - |
| article html file updated | 11 September 2018 04:01 CEST | Update | - |
| article html file updated | 30 June 2017 12:20 CEST | Update | - |
| article html file updated | 1 June 2017 06:33 CEST | Original file | - |
| article xml uploaded. | 1 June 2017 06:32 CEST | Update | https://www.mdpi.com/1420-3049/22/6/903/xml |
| article pdf uploaded. | 1 June 2017 06:32 CEST | Updated version of record | https://www.mdpi.com/1420-3049/22/6/903/pdf |
| article pdf uploaded. | 30 May 2017 13:51 CEST | Version of Record | https://www.mdpi.com/1420-3049/22/6/903/pdf-vor |
