| article html file updated | 7 February 2020 12:06 CET | Update | https://www.mdpi.com/1999-4915/8/7/200 |
| article html file updated | 5 May 2019 09:25 CEST | Update | - |
| article html file updated | 27 March 2019 11:03 CET | Update | - |
| article html file updated | 2 August 2016 05:10 CEST | Update | - |
| article html file updated | 21 July 2016 13:27 CEST | Original file | - |
| article xml uploaded. | 21 July 2016 13:26 CEST | Original file | https://www.mdpi.com/1999-4915/8/7/200/xml |
| article pdf uploaded. | 21 July 2016 13:26 CEST | Version of Record | https://www.mdpi.com/1999-4915/8/7/200/pdf |
