| article html file updated | 7 February 2020 11:50 CET | Update | https://www.mdpi.com/1999-4915/8/7/195 |
| article html file updated | 5 May 2019 09:53 CEST | Update | - |
| article html file updated | 27 March 2019 10:34 CET | Update | - |
| article html file updated | 2 August 2016 05:09 CEST | Update | - |
| article html file updated | 18 July 2016 08:44 CEST | Original file | - |
| article xml uploaded. | 18 July 2016 08:42 CEST | Original file | https://www.mdpi.com/1999-4915/8/7/195/xml |
| article pdf uploaded. | 18 July 2016 08:42 CEST | Version of Record | https://www.mdpi.com/1999-4915/8/7/195/pdf |
