| article html file updated | 6 February 2020 03:20 CET | Update | https://www.mdpi.com/1420-3049/18/7/8550 |
| article html file updated | 19 September 2019 23:03 CEST | Update | - |
| article html file updated | 8 May 2019 02:39 CEST | Update | - |
| article html file updated | 21 March 2019 01:38 CET | Update | - |
| article html file updated | 14 September 2018 05:42 CEST | Original file | - |
| article pdf uploaded. | 19 July 2013 12:20 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/7/8550/pdf |
