| article html file updated | 8 February 2020 09:10 CET | Update | https://www.mdpi.com/1999-5903/9/3/24 |
| article html file updated | 25 September 2019 13:11 CEST | Update | - |
| article html file updated | 3 May 2019 15:47 CEST | Update | - |
| article html file updated | 30 September 2017 13:58 CEST | Update | - |
| article html file updated | 24 June 2017 12:05 CEST | Original file | - |
| article xml uploaded. | 24 June 2017 12:04 CEST | Update | https://www.mdpi.com/1999-5903/9/3/24/xml |
| article pdf uploaded. | 24 June 2017 12:04 CEST | Version of Record | https://www.mdpi.com/1999-5903/9/3/24/pdf |
