| article html file updated | 7 February 2020 16:54 CET | Update | https://www.mdpi.com/2076-2615/6/11/64 |
| article html file updated | 5 May 2019 00:36 CEST | Update | - |
| article html file updated | 29 November 2016 09:46 CET | Update | - |
| article html file updated | 1 November 2016 10:07 CET | Update | - |
| article xml uploaded. | 1 November 2016 10:06 CET | Update | https://www.mdpi.com/2076-2615/6/11/64/xml |
| article pdf uploaded. | 1 November 2016 10:06 CET | Updated version of record | https://www.mdpi.com/2076-2615/6/11/64/pdf |
| article html file updated | 25 October 2016 09:19 CEST | Original file | - |
| article xml uploaded. | 25 October 2016 09:18 CEST | Original file | - |
| article pdf uploaded. | 25 October 2016 09:18 CEST | Version of Record | https://www.mdpi.com/2076-2615/6/11/64/pdf-vor |