| article html file updated | 8 February 2020 04:58 CET | Update | https://www.mdpi.com/2076-0787/6/2/26 |
| article html file updated | 3 May 2019 23:39 CEST | Update | - |
| article html file updated | 11 October 2017 12:20 CEST | Update | - |
| article xml uploaded. | 11 October 2017 12:18 CEST | Update | https://www.mdpi.com/2076-0787/6/2/26/xml |
| article pdf uploaded. | 11 October 2017 12:18 CEST | Updated version of record | https://www.mdpi.com/2076-0787/6/2/26/pdf |
| article html file updated | 23 May 2017 03:35 CEST | Update | - |
| article html file updated | 3 May 2017 14:39 CEST | Original file | - |
| article pdf uploaded. | 3 May 2017 14:38 CEST | Version of Record | https://www.mdpi.com/2076-0787/6/2/26/pdf-vor |
