| article html file updated | 9 February 2020 01:11 CET | Update | https://www.mdpi.com/1999-4907/9/1/14 |
| article html file updated | 29 September 2019 11:37 CEST | Update | - |
| article html file updated | 2 May 2019 06:09 CEST | Update | - |
| article html file updated | 18 April 2019 04:08 CEST | Update | - |
| article html file updated | 28 March 2019 11:08 CET | Update | - |
| article html file updated | 1 February 2018 13:09 CET | Update | - |
| article html file updated | 26 December 2017 03:23 CET | Update | - |
| article xml uploaded. | 26 December 2017 03:22 CET | Update | https://www.mdpi.com/1999-4907/9/1/14/xml |
| article xml uploaded. | 26 December 2017 03:22 CET | Update | - |
| article pdf uploaded. | 26 December 2017 03:22 CET | Updated version of record | https://www.mdpi.com/1999-4907/9/1/14/pdf |
| article html file updated | 25 December 2017 13:07 CET | Original file | - |
| article xml uploaded. | 25 December 2017 13:06 CET | Original file | - |
| article pdf uploaded. | 25 December 2017 13:06 CET | Version of Record | https://www.mdpi.com/1999-4907/9/1/14/pdf-vor |
