| article html file updated | 7 February 2020 04:30 CET | Update | https://www.mdpi.com/1999-4915/8/2/46 |
| article html file updated | 6 May 2019 00:30 CEST | Update | - |
| article html file updated | 26 March 2019 20:36 CET | Original file | - |
| article pdf uploaded. | 19 February 2016 10:33 CET | Updated version of record | https://www.mdpi.com/1999-4915/8/2/46/pdf |
| article xml uploaded. | 19 February 2016 10:33 CET | Original file | https://www.mdpi.com/1999-4915/8/2/46/xml |
| article pdf uploaded. | 10 February 2016 16:04 CET | Version of Record | https://www.mdpi.com/1999-4915/8/2/46/pdf-vor |
