| article html file updated | 6 February 2020 06:05 CET | Update | https://www.mdpi.com/1420-3049/18/12/15220 |
| article html file updated | 7 May 2019 21:05 CEST | Update | - |
| article html file updated | 21 March 2019 09:06 CET | Update | - |
| article html file updated | 17 September 2018 10:40 CEST | Original file | - |
| article pdf uploaded. | 10 December 2013 12:28 CET | Version of Record | https://www.mdpi.com/1420-3049/18/12/15220/pdf |
