| article html file updated | 8 February 2020 15:59 CET | Update | https://www.mdpi.com/1999-4907/8/9/339 |
| article html file updated | 27 September 2019 02:23 CEST | Update | - |
| article html file updated | 3 May 2019 02:21 CEST | Update | - |
| article html file updated | 30 September 2017 10:22 CEST | Update | - |
| article html file updated | 19 September 2017 05:51 CEST | Update | - |
| article xml uploaded. | 19 September 2017 05:50 CEST | Update | https://www.mdpi.com/1999-4907/8/9/339/xml |
| article pdf uploaded. | 19 September 2017 05:50 CEST | Updated version of record | https://www.mdpi.com/1999-4907/8/9/339/pdf |
| article html file updated | 12 September 2017 13:50 CEST | Original file | - |
| article xml uploaded. | 12 September 2017 13:48 CEST | Original file | - |
| article pdf uploaded. | 12 September 2017 13:48 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/9/339/pdf-vor |
