| article html file updated | 8 February 2020 20:59 CET | Update | https://www.mdpi.com/1999-4907/8/11/434 |
| article html file updated | 28 September 2019 10:11 CEST | Update | N/A |
| article html file updated | 2 May 2019 15:26 CEST | Update | N/A |
| article html file updated | 30 November 2017 16:06 CET | Update | N/A |
| article html file updated | 12 November 2017 11:57 CET | Original file | N/A |
| article xml uploaded. | 12 November 2017 11:56 CET | Original file | https://www.mdpi.com/1999-4907/8/11/434/xml |
| article pdf uploaded. | 12 November 2017 11:56 CET | Version of Record | https://www.mdpi.com/1999-4907/8/11/434/pdf |
