| article html file updated | 6 February 2020 07:25 CET | Update | https://www.mdpi.com/1420-3049/19/2/2445 |
| article html file updated | 7 May 2019 18:20 CEST | Update | N/A |
| article html file updated | 21 March 2019 12:44 CET | Update | N/A |
| article html file updated | 12 September 2018 05:20 CEST | Update | N/A |
| article html file updated | 19 August 2015 21:20 CEST | Original file | N/A |
| article pdf uploaded. | 21 February 2014 13:31 CET | Version of Record | https://www.mdpi.com/1420-3049/19/2/2445/pdf |
