| article html file updated | 6 February 2020 06:33 CET | Update | https://www.mdpi.com/1420-3049/19/1/525 |
| article html file updated | 7 May 2019 20:10 CEST | Update | - |
| article html file updated | 21 March 2019 10:30 CET | Update | - |
| article html file updated | 12 September 2018 05:09 CEST | Update | - |
| article html file updated | 19 August 2015 16:27 CEST | Original file | - |
| article pdf uploaded. | 3 January 2014 11:27 CET | Version of Record | https://www.mdpi.com/1420-3049/19/1/525/pdf |
