| article html file updated | 7 February 2020 10:08 CET | Update | https://www.mdpi.com/1999-4915/8/6/170 |
| article html file updated | 5 May 2019 13:00 CEST | Update | - |
| article html file updated | 27 March 2019 07:26 CET | Update | - |
| article html file updated | 29 June 2016 10:18 CEST | Update | - |
| article html file updated | 23 June 2016 07:49 CEST | Update | - |
| article xml uploaded. | 23 June 2016 07:48 CEST | Update | https://www.mdpi.com/1999-4915/8/6/170/xml |
| article pdf uploaded. | 23 June 2016 07:48 CEST | Updated version of record | https://www.mdpi.com/1999-4915/8/6/170/pdf |
| article html file updated | 14 June 2016 11:59 CEST | Original file | - |
| article pdf uploaded. | 14 June 2016 11:58 CEST | Version of Record | https://www.mdpi.com/1999-4915/8/6/170/pdf-vor |
