| article html file updated | 7 February 2020 17:32 CET | Update | https://www.mdpi.com/1999-4907/7/11/263 |
| article html file updated | 4 May 2019 23:26 CEST | Update | N/A |
| article html file updated | 30 November 2016 06:51 CET | Update | N/A |
| article pdf uploaded. | 8 November 2016 12:06 CET | Updated version of record | https://www.mdpi.com/1999-4907/7/11/263/pdf |
| article html file updated | 4 November 2016 11:25 CET | Original file | N/A |
| article xml uploaded. | 4 November 2016 11:24 CET | Update | https://www.mdpi.com/1999-4907/7/11/263/xml |
| article xml uploaded. | 4 November 2016 11:24 CET | Original file | N/A |
| article pdf uploaded. | 4 November 2016 11:24 CET | Version of Record | https://www.mdpi.com/1999-4907/7/11/263/pdf-vor |
