| article html file updated | 6 February 2020 04:27 CET | Update | https://www.mdpi.com/1420-3049/18/9/11601 |
| article html file updated | 8 May 2019 00:18 CEST | Update | - |
| article html file updated | 21 March 2019 04:44 CET | Update | - |
| article html file updated | 14 September 2018 09:07 CEST | Original file | - |
| article pdf uploaded. | 18 September 2013 14:49 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/9/11601/pdf |
