| article html file updated | 8 February 2020 16:00 CET | Update | https://www.mdpi.com/1999-5903/9/3/51 |
| article html file updated | 27 September 2019 02:26 CEST | Update | - |
| article html file updated | 3 May 2019 02:20 CEST | Update | - |
| article html file updated | 30 September 2017 14:02 CEST | Update | - |
| article html file updated | 20 September 2017 03:29 CEST | Update | - |
| article xml uploaded. | 20 September 2017 03:27 CEST | Update | https://www.mdpi.com/1999-5903/9/3/51/xml |
| article xml uploaded. | 20 September 2017 03:27 CEST | Update | - |
| article pdf uploaded. | 20 September 2017 03:27 CEST | Updated version of record | https://www.mdpi.com/1999-5903/9/3/51/pdf |
| article html file updated | 13 September 2017 13:10 CEST | Original file | - |
| article xml uploaded. | 13 September 2017 13:08 CEST | Update | - |
| article xml uploaded. | 13 September 2017 13:08 CEST | Original file | - |
| article pdf uploaded. | 13 September 2017 13:08 CEST | Updated version of record | https://www.mdpi.com/1999-5903/9/3/51/pdf-vor |
| article pdf uploaded. | 12 September 2017 11:57 CEST | Version of Record | https://www.mdpi.com/1999-5903/9/3/51/pdf-vor |
