| article html file updated | 6 February 2020 06:08 CET | Update | https://www.mdpi.com/1420-3049/18/12/15474 |
| article html file updated | 7 May 2019 20:57 CEST | Update | N/A |
| article html file updated | 21 March 2019 09:16 CET | Update | N/A |
| article html file updated | 17 September 2018 10:51 CEST | Original file | N/A |
| article pdf uploaded. | 12 December 2013 13:47 CET | Version of Record | https://www.mdpi.com/1420-3049/18/12/15474/pdf |
