| article html file updated | 8 February 2020 19:49 CET | Update | https://www.mdpi.com/2220-9964/6/11/326 |
| article html file updated | 28 September 2019 02:31 CEST | Update | - |
| article html file updated | 2 May 2019 18:09 CEST | Update | - |
| article html file updated | 30 November 2017 09:24 CET | Update | - |
| article html file updated | 21 November 2017 05:22 CET | Update | - |
| article xml uploaded. | 21 November 2017 05:21 CET | Update | https://www.mdpi.com/2220-9964/6/11/326/xml |
| article pdf uploaded. | 21 November 2017 05:21 CET | Updated version of record | https://www.mdpi.com/2220-9964/6/11/326/pdf |
| article html file updated | 30 October 2017 11:16 CET | Original file | - |
| article xml uploaded. | 30 October 2017 11:15 CET | Original file | - |
| article pdf uploaded. | 30 October 2017 11:15 CET | Version of Record | https://www.mdpi.com/2220-9964/6/11/326/pdf-vor |