| article html file updated | 8 February 2020 09:50 CET | Update | https://www.mdpi.com/2227-9059/5/3/38 |
| article html file updated | 25 September 2019 16:46 CEST | Update | - |
| article html file updated | 3 May 2019 14:32 CEST | Update | - |
| article html file updated | 30 September 2017 11:51 CEST | Update | - |
| article html file updated | 5 July 2017 12:12 CEST | Original file | - |
| article xml uploaded. | 5 July 2017 12:11 CEST | Original file | https://www.mdpi.com/2227-9059/5/3/38/xml |
| article pdf uploaded. | 5 July 2017 12:11 CEST | Updated version of record | https://www.mdpi.com/2227-9059/5/3/38/pdf |
| article pdf uploaded. | 1 July 2017 11:25 CEST | Version of Record | https://www.mdpi.com/2227-9059/5/3/38/pdf-vor |
