| article html file updated | 6 February 2020 00:15 CET | Update | https://www.mdpi.com/1420-3049/18/2/1704 |
| article html file updated | 8 May 2019 09:13 CEST | Update | N/A |
| article html file updated | 20 March 2019 17:51 CET | Update | N/A |
| article html file updated | 12 November 2018 03:05 CET | Original file | N/A |
| article pdf uploaded. | 28 January 2013 10:28 CET | Version of Record | https://www.mdpi.com/1420-3049/18/2/1704/pdf |
