| article html file updated | 6 February 2020 03:26 CET | Update | https://www.mdpi.com/1420-3049/18/8/8837 |
| article html file updated | 19 September 2019 23:15 CEST | Update | - |
| article html file updated | 8 May 2019 02:26 CEST | Update | - |
| article html file updated | 21 March 2019 01:58 CET | Update | - |
| article html file updated | 14 September 2018 08:27 CEST | Original file | - |
| article pdf uploaded. | 25 July 2013 13:52 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/8/8837/pdf |
