| article html file updated | 7 February 2020 13:30 CET | Update | https://www.mdpi.com/1999-4907/7/8/178 |
| article html file updated | 5 May 2019 06:49 CEST | Update | - |
| article html file updated | 27 March 2019 13:58 CET | Update | - |
| article html file updated | 30 August 2016 07:52 CEST | Update | - |
| article xml uploaded. | 30 August 2016 07:50 CEST | Update | https://www.mdpi.com/1999-4907/7/8/178/xml |
| article html file updated | 25 August 2016 12:09 CEST | Update | - |
| article html file updated | 18 August 2016 09:05 CEST | Original file | - |
| article xml uploaded. | 18 August 2016 09:04 CEST | Original file | - |
| article pdf uploaded. | 18 August 2016 09:04 CEST | Version of Record | https://www.mdpi.com/1999-4907/7/8/178/pdf |
