| article html file updated | 6 February 2020 06:01 CET | Update | https://www.mdpi.com/1420-3049/18/12/15051 |
| article html file updated | 7 May 2019 21:12 CEST | Update | - |
| article html file updated | 21 March 2019 08:55 CET | Update | - |
| article html file updated | 17 September 2018 10:33 CEST | Original file | - |
| article pdf uploaded. | 6 December 2013 11:25 CET | Version of Record | https://www.mdpi.com/1420-3049/18/12/15051/pdf |
