| article html file updated | 8 February 2020 11:19 CET | Update | https://www.mdpi.com/1999-5903/9/3/38 |
| article html file updated | 3 May 2019 11:46 CEST | Update | - |
| article html file updated | 27 March 2019 16:22 CET | Update | - |
| article html file updated | 30 September 2017 14:00 CEST | Update | - |
| article html file updated | 19 July 2017 07:49 CEST | Update | - |
| article html file updated | 19 July 2017 07:48 CEST | Update | - |
| article html file updated | 19 July 2017 07:48 CEST | Original file | - |
| article xml uploaded. | 19 July 2017 07:46 CEST | Original file | https://www.mdpi.com/1999-5903/9/3/38/xml |
| article pdf uploaded. | 19 July 2017 07:46 CEST | Updated version of record | https://www.mdpi.com/1999-5903/9/3/38/pdf |
| article pdf uploaded. | 18 July 2017 16:48 CEST | Version of Record | https://www.mdpi.com/1999-5903/9/3/38/pdf-vor |
