| article html file updated | 6 February 2020 03:57 CET | Update | https://www.mdpi.com/1420-3049/18/9/10108 |
| article html file updated | 20 September 2019 00:23 CEST | Update | - |
| article html file updated | 8 May 2019 01:21 CEST | Update | - |
| article html file updated | 21 March 2019 03:28 CET | Update | - |
| article html file updated | 14 September 2018 08:26 CEST | Update | - |
| article html file updated | 8 April 2016 06:17 CEST | Original file | - |
| article pdf uploaded. | 22 August 2013 13:53 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/9/10108/pdf |
