| article html file updated | 6 February 2020 00:20 CET | Update | https://www.mdpi.com/1420-3049/18/2/1819 |
| article html file updated | 19 September 2019 17:33 CEST | Update | N/A |
| article html file updated | 8 May 2019 09:01 CEST | Update | N/A |
| article html file updated | 20 March 2019 18:03 CET | Update | N/A |
| article html file updated | 12 November 2018 03:13 CET | Original file | N/A |
| article pdf uploaded. | 31 January 2013 11:09 CET | Version of Record | https://www.mdpi.com/1420-3049/18/2/1819/pdf |
