| article html file updated | 12 February 2020 20:58 CET | Update | https://www.mdpi.com/1999-5903/11/6/136 |
| article html file updated | 22 October 2019 05:13 CEST | Update | - |
| article html file updated | 3 July 2019 18:12 CEST | Update | - |
| article html file updated | 21 June 2019 07:06 CEST | Original file | - |
| article pdf uploaded. | 20 June 2019 11:09 CEST | Version of Record | https://www.mdpi.com/1999-5903/11/6/136/pdf |
| article xml uploaded. | 20 June 2019 11:09 CEST | Update | https://www.mdpi.com/1999-5903/11/6/136/xml |
| article xml file uploaded | 20 June 2019 11:09 CEST | Original file | - |
