| article html file updated | 6 February 2020 01:28 CET | Update | https://www.mdpi.com/1420-3049/18/4/4247 |
| article html file updated | 19 September 2019 19:34 CEST | Update | - |
| article html file updated | 8 May 2019 06:23 CEST | Update | - |
| article html file updated | 20 March 2019 20:53 CET | Update | - |
| article html file updated | 17 September 2018 10:29 CEST | Original file | - |
| article pdf uploaded. | 11 April 2013 09:11 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/4/4247/pdf |
