| article html file updated | 9 February 2020 00:30 CET | Update | https://www.mdpi.com/1999-4915/9/12/390 |
| article html file updated | 29 September 2019 07:44 CEST | Update | - |
| article html file updated | 2 May 2019 07:38 CEST | Update | - |
| article html file updated | 18 April 2019 05:29 CEST | Update | - |
| article html file updated | 2 January 2018 17:47 CET | Update | - |
| article html file updated | 19 December 2017 12:48 CET | Update | - |
| article xml uploaded. | 19 December 2017 12:47 CET | Update | https://www.mdpi.com/1999-4915/9/12/390/xml |
| article pdf uploaded. | 19 December 2017 12:47 CET | Updated version of record | https://www.mdpi.com/1999-4915/9/12/390/pdf |
| article html file updated | 19 December 2017 09:54 CET | Original file | - |
| article xml uploaded. | 19 December 2017 09:53 CET | Update | - |
| article xml uploaded. | 19 December 2017 09:53 CET | Original file | - |
| article pdf uploaded. | 19 December 2017 09:53 CET | Version of Record | https://www.mdpi.com/1999-4915/9/12/390/pdf-vor |
