| article html file updated | 8 February 2020 15:13 CET | Update | https://www.mdpi.com/2227-7102/7/3/70 |
| article html file updated | 26 September 2019 22:18 CEST | Update | N/A |
| article html file updated | 3 May 2019 03:45 CEST | Update | N/A |
| article html file updated | 27 October 2017 09:59 CEST | Update | N/A |
| article html file updated | 4 September 2017 04:38 CEST | Original file | N/A |
| article xml uploaded. | 4 September 2017 04:36 CEST | Original file | https://www.mdpi.com/2227-7102/7/3/70/xml |
| article pdf uploaded. | 4 September 2017 04:36 CEST | Version of Record | https://www.mdpi.com/2227-7102/7/3/70/pdf |
