| article html file updated | 8 February 2020 21:17 CET | Update | https://www.mdpi.com/1999-4907/8/11/440 |
| article html file updated | 28 September 2019 12:06 CEST | Update | N/A |
| article html file updated | 2 May 2019 14:48 CEST | Update | N/A |
| article html file updated | 18 April 2019 12:27 CEST | Update | N/A |
| article html file updated | 30 November 2017 16:07 CET | Update | N/A |
| article html file updated | 15 November 2017 11:28 CET | Original file | N/A |
| article xml uploaded. | 15 November 2017 11:26 CET | Original file | https://www.mdpi.com/1999-4907/8/11/440/xml |
| article pdf uploaded. | 15 November 2017 11:26 CET | Version of Record | https://www.mdpi.com/1999-4907/8/11/440/pdf |
