| article html file updated | 8 February 2020 23:00 CET | Update | https://www.mdpi.com/1999-4907/8/12/477 |
| article html file updated | 28 September 2019 23:01 CEST | Update | - |
| article html file updated | 2 May 2019 10:57 CEST | Update | - |
| article html file updated | 18 April 2019 08:34 CEST | Update | - |
| article html file updated | 2 January 2018 17:08 CET | Update | - |
| article html file updated | 6 December 2017 10:11 CET | Update | - |
| article xml uploaded. | 6 December 2017 10:10 CET | Update | https://www.mdpi.com/1999-4907/8/12/477/xml |
| article pdf uploaded. | 6 December 2017 10:10 CET | Updated version of record | https://www.mdpi.com/1999-4907/8/12/477/pdf |
| article html file updated | 4 December 2017 07:33 CET | Original file | - |
| article xml uploaded. | 4 December 2017 07:32 CET | Update | - |
| article xml uploaded. | 4 December 2017 07:32 CET | Original file | - |
| article pdf uploaded. | 4 December 2017 07:32 CET | Updated version of record | https://www.mdpi.com/1999-4907/8/12/477/pdf-vor |
| article pdf uploaded. | 3 December 2017 15:05 CET | Version of Record | https://www.mdpi.com/1999-4907/8/12/477/pdf-vor |