| article html file updated | 8 February 2020 02:18 CET | Update | https://www.mdpi.com/2227-7102/7/2/43 |
| article html file updated | 4 May 2019 04:55 CEST | Update | - |
| article html file updated | 27 October 2017 09:57 CEST | Update | - |
| article html file updated | 29 March 2017 05:46 CEST | Update | - |
| article xml uploaded. | 29 March 2017 05:43 CEST | Update | https://www.mdpi.com/2227-7102/7/2/43/xml |
| article pdf uploaded. | 29 March 2017 05:43 CEST | Updated version of record | https://www.mdpi.com/2227-7102/7/2/43/pdf |
| article html file updated | 27 March 2017 16:40 CEST | Original file | - |
| article pdf uploaded. | 27 March 2017 16:38 CEST | Updated version of record | https://www.mdpi.com/2227-7102/7/2/43/pdf-vor |
| article pdf uploaded. | 26 March 2017 12:32 CEST | Version of Record | https://www.mdpi.com/2227-7102/7/2/43/pdf-vor |
