| article html file updated | 8 February 2020 08:07 CET | Update | https://www.mdpi.com/2227-7099/5/2/19 |
| article html file updated | 25 September 2019 07:32 CEST | Update | - |
| article html file updated | 3 May 2019 17:46 CEST | Update | - |
| article html file updated | 29 June 2017 11:23 CEST | Update | - |
| article html file updated | 13 June 2017 08:32 CEST | Update | - |
| article xml uploaded. | 13 June 2017 08:31 CEST | Update | https://www.mdpi.com/2227-7099/5/2/19/xml |
| article pdf uploaded. | 13 June 2017 08:31 CEST | Updated version of record | https://www.mdpi.com/2227-7099/5/2/19/pdf |
| article html file updated | 12 June 2017 13:24 CEST | Original file | - |
| article pdf uploaded. | 12 June 2017 13:23 CEST | Version of Record | https://www.mdpi.com/2227-7099/5/2/19/pdf-vor |
