| article html file updated | 8 February 2020 18:27 CET | Update | https://www.mdpi.com/1999-4907/8/10/391 |
| article html file updated | 27 September 2019 18:25 CEST | Update | N/A |
| article html file updated | 2 May 2019 21:17 CEST | Update | N/A |
| article html file updated | 1 November 2017 04:37 CET | Update | N/A |
| article html file updated | 14 October 2017 10:01 CEST | Original file | N/A |
| article xml uploaded. | 14 October 2017 09:59 CEST | Update | https://www.mdpi.com/1999-4907/8/10/391/xml |
| article xml uploaded. | 14 October 2017 09:59 CEST | Original file | N/A |
| article pdf uploaded. | 14 October 2017 09:59 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/10/391/pdf |
