| article html file updated | 7 February 2020 04:07 CET | Update | https://www.mdpi.com/1420-3049/21/2/175 |
| article html file updated | 21 September 2019 10:45 CEST | Update | - |
| article html file updated | 6 May 2019 01:17 CEST | Update | - |
| article html file updated | 26 March 2019 19:48 CET | Update | - |
| article html file updated | 17 September 2018 03:02 CEST | Original file | - |
| article pdf uploaded. | 30 January 2016 13:12 CET | Version of Record | https://www.mdpi.com/1420-3049/21/2/175/pdf |
| article xml uploaded. | 30 January 2016 13:12 CET | Original file | https://www.mdpi.com/1420-3049/21/2/175/xml |
