| article html file updated | 7 February 2020 15:58 CET | Update | https://www.mdpi.com/1999-4915/8/10/272 |
| article html file updated | 5 May 2019 02:20 CEST | Update | N/A |
| article html file updated | 31 October 2016 07:46 CET | Update | N/A |
| article html file updated | 12 October 2016 09:08 CEST | Original file | N/A |
| article xml uploaded. | 12 October 2016 09:07 CEST | Update | https://www.mdpi.com/1999-4915/8/10/272/xml |
| article xml uploaded. | 12 October 2016 09:07 CEST | Original file | N/A |
| article pdf uploaded. | 12 October 2016 09:07 CEST | Updated version of record | https://www.mdpi.com/1999-4915/8/10/272/pdf |
| article pdf uploaded. | 4 October 2016 14:47 CEST | Version of Record | https://www.mdpi.com/1999-4915/8/10/272/pdf-vor |
