| article html file updated | 7 February 2020 10:45 CET | Update | https://www.mdpi.com/1660-3397/14/7/121 |
| article html file updated | 5 May 2019 11:52 CEST | Update | - |
| article html file updated | 27 March 2019 08:31 CET | Update | - |
| article html file updated | 27 July 2016 11:37 CEST | Update | - |
| article html file updated | 24 June 2016 13:47 CEST | Original file | - |
| article xml uploaded. | 24 June 2016 13:45 CEST | Original file | https://www.mdpi.com/1660-3397/14/7/121/xml |
| article pdf uploaded. | 24 June 2016 13:45 CEST | Version of Record | https://www.mdpi.com/1660-3397/14/7/121/pdf |
