| article html file updated | 8 February 2020 19:42 CET | Update | https://www.mdpi.com/1999-4907/8/11/407 |
| article html file updated | 28 September 2019 01:48 CEST | Update | N/A |
| article html file updated | 2 May 2019 18:25 CEST | Update | N/A |
| article html file updated | 30 November 2017 16:03 CET | Update | N/A |
| article html file updated | 30 October 2017 20:29 CET | Original file | N/A |
| article xml uploaded. | 30 October 2017 20:28 CET | Update | https://www.mdpi.com/1999-4907/8/11/407/xml |
| article xml uploaded. | 30 October 2017 20:28 CET | Original file | N/A |
| article pdf uploaded. | 30 October 2017 20:15 CET | Updated version of record | https://www.mdpi.com/1999-4907/8/11/407/pdf |
| article pdf uploaded. | 27 October 2017 17:00 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/11/407/pdf-vor |
