| article html file updated | 8 February 2020 20:06 CET | Update | https://www.mdpi.com/1999-4907/8/11/417 |
| article html file updated | 28 September 2019 04:17 CEST | Update | - |
| article html file updated | 2 May 2019 17:28 CEST | Update | - |
| article html file updated | 30 November 2017 16:04 CET | Update | - |
| article html file updated | 2 November 2017 04:32 CET | Original file | - |
| article xml uploaded. | 2 November 2017 04:31 CET | Original file | https://www.mdpi.com/1999-4907/8/11/417/xml |
| article pdf uploaded. | 2 November 2017 04:31 CET | Updated version of record | https://www.mdpi.com/1999-4907/8/11/417/pdf |
| article pdf uploaded. | 1 November 2017 16:28 CET | Version of Record | https://www.mdpi.com/1999-4907/8/11/417/pdf-vor |
