| article html file updated | 13 February 2020 10:58 CET | Update | https://www.mdpi.com/1999-5903/11/8/181 |
| article html file updated | 27 August 2019 17:30 CEST | Update | N/A |
| article html file updated | 20 August 2019 07:29 CEST | Original file | N/A |
| article pdf uploaded. | 20 August 2019 07:28 CEST | Version of Record | https://www.mdpi.com/1999-5903/11/8/181/pdf |
| article xml uploaded. | 20 August 2019 07:28 CEST | Update | https://www.mdpi.com/1999-5903/11/8/181/xml |
| article xml file uploaded | 20 August 2019 07:27 CEST | Original file | N/A |
