| article html file updated | 7 February 2020 17:51 CET | Update | https://www.mdpi.com/1999-4907/7/11/269 |
| article html file updated | 4 May 2019 22:49 CEST | Update | N/A |
| article html file updated | 30 November 2016 06:53 CET | Update | N/A |
| article html file updated | 11 November 2016 09:06 CET | Original file | N/A |
| article xml uploaded. | 11 November 2016 09:05 CET | Update | https://www.mdpi.com/1999-4907/7/11/269/xml |
| article xml uploaded. | 11 November 2016 09:05 CET | Original file | N/A |
| article pdf uploaded. | 11 November 2016 09:05 CET | Version of Record | https://www.mdpi.com/1999-4907/7/11/269/pdf |
