| article html file updated | 8 February 2020 09:27 CET | Update | https://www.mdpi.com/1999-5903/9/3/27 |
| article html file updated | 25 September 2019 14:36 CEST | Update | N/A |
| article html file updated | 3 May 2019 15:15 CEST | Update | N/A |
| article html file updated | 30 September 2017 13:58 CEST | Update | N/A |
| article html file updated | 29 June 2017 13:33 CEST | Original file | N/A |
| article xml uploaded. | 29 June 2017 13:31 CEST | Original file | https://www.mdpi.com/1999-5903/9/3/27/xml |
| article pdf uploaded. | 29 June 2017 13:31 CEST | Updated version of record | https://www.mdpi.com/1999-5903/9/3/27/pdf |
| article pdf uploaded. | 28 June 2017 11:23 CEST | Version of Record | https://www.mdpi.com/1999-5903/9/3/27/pdf-vor |
