| article html file updated | 6 February 2020 03:38 CET | Update | https://www.mdpi.com/1420-3049/18/8/9420 |
| article html file updated | 19 September 2019 23:42 CEST | Update | - |
| article html file updated | 8 May 2019 02:02 CEST | Update | - |
| article html file updated | 21 March 2019 02:32 CET | Update | - |
| article html file updated | 14 September 2018 08:46 CEST | Original file | - |
| article pdf uploaded. | 6 August 2013 15:58 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/8/9420/pdf |
