| article html file updated | 6 February 2020 00:15 CET | Update | https://www.mdpi.com/1420-3049/18/2/1613 |
| article html file updated | 8 May 2019 09:13 CEST | Update | N/A |
| article html file updated | 20 March 2019 17:50 CET | Update | N/A |
| article html file updated | 12 November 2018 02:58 CET | Original file | N/A |
| article pdf uploaded. | 28 January 2013 10:31 CET | Updated version of record | https://www.mdpi.com/1420-3049/18/2/1613/pdf |
| article pdf uploaded. | 28 January 2013 09:28 CET | Version of Record | N/A |
