| article html file updated | 8 February 2020 16:40 CET | Update | https://www.mdpi.com/2227-7102/7/3/75 |
| article html file updated | 3 May 2019 01:04 CEST | Update | - |
| article html file updated | 27 October 2017 09:59 CEST | Update | - |
| article html file updated | 21 September 2017 11:44 CEST | Original file | - |
| article xml uploaded. | 21 September 2017 11:42 CEST | Original file | https://www.mdpi.com/2227-7102/7/3/75/xml |
| article pdf uploaded. | 21 September 2017 11:42 CEST | Updated version of record | https://www.mdpi.com/2227-7102/7/3/75/pdf |
| article pdf uploaded. | 20 September 2017 14:42 CEST | Version of Record | https://www.mdpi.com/2227-7102/7/3/75/pdf-vor |
