| article html file updated | 6 February 2020 00:20 CET | Update | https://www.mdpi.com/1420-3049/18/2/1857 |
| article html file updated | 19 September 2019 17:35 CEST | Update | N/A |
| article html file updated | 8 May 2019 08:58 CEST | Update | N/A |
| article html file updated | 20 March 2019 18:05 CET | Update | N/A |
| article html file updated | 12 November 2018 03:14 CET | Original file | N/A |
| article pdf uploaded. | 1 February 2013 08:36 CET | Version of Record | https://www.mdpi.com/1420-3049/18/2/1857/pdf |
