| article html file updated | 8 February 2020 16:36 CET | Update | https://www.mdpi.com/2227-7102/7/3/73 |
| article html file updated | 27 September 2019 05:49 CEST | Update | N/A |
| article html file updated | 3 May 2019 01:12 CEST | Update | N/A |
| article html file updated | 27 October 2017 09:59 CEST | Update | N/A |
| article html file updated | 19 September 2017 14:02 CEST | Original file | N/A |
| article xml uploaded. | 19 September 2017 14:01 CEST | Original file | https://www.mdpi.com/2227-7102/7/3/73/xml |
| article pdf uploaded. | 19 September 2017 14:01 CEST | Version of Record | https://www.mdpi.com/2227-7102/7/3/73/pdf |
