| article html file updated | 8 February 2020 07:09 CET | Update | https://www.mdpi.com/1424-2818/9/2/24 |
| article html file updated | 25 September 2019 02:38 CEST | Update | - |
| article html file updated | 3 May 2019 19:35 CEST | Update | - |
| article html file updated | 29 June 2017 11:23 CEST | Update | - |
| article html file updated | 1 June 2017 05:33 CEST | Original file | - |
| article xml uploaded. | 1 June 2017 05:32 CEST | Update | https://www.mdpi.com/1424-2818/9/2/24/xml |
| article pdf uploaded. | 1 June 2017 05:32 CEST | Updated version of record | https://www.mdpi.com/1424-2818/9/2/24/pdf |
| article pdf uploaded. | 31 May 2017 16:33 CEST | Version of Record | https://www.mdpi.com/1424-2818/9/2/24/pdf-vor |
