| article html file updated | 6 February 2020 00:59 CET | Update | https://www.mdpi.com/1660-3397/11/3/848 |
| article html file updated | 8 May 2019 07:23 CEST | Update | N/A |
| article html file updated | 20 March 2019 19:46 CET | Original file | N/A |
| article pdf uploaded. | 13 March 2013 15:00 CET | Version of Record | https://www.mdpi.com/1660-3397/11/3/848/pdf |
