| article html file updated | 8 February 2020 02:51 CET | Update | https://www.mdpi.com/2227-9091/5/2/24 |
| article html file updated | 4 May 2019 03:41 CEST | Update | - |
| article html file updated | 30 June 2017 09:12 CEST | Update | - |
| article html file updated | 13 April 2017 05:09 CEST | Update | - |
| article html file updated | 12 April 2017 07:48 CEST | Update | - |
| article html file updated | 8 April 2017 07:27 CEST | Original file | - |
| article xml uploaded. | 8 April 2017 07:25 CEST | Original file | https://www.mdpi.com/2227-9091/5/2/24/xml |
| article pdf uploaded. | 8 April 2017 07:25 CEST | Updated version of record | https://www.mdpi.com/2227-9091/5/2/24/pdf |
| article pdf uploaded. | 4 April 2017 15:34 CEST | Version of Record | https://www.mdpi.com/2227-9091/5/2/24/pdf-vor |
