| article html file updated | 13 February 2020 05:40 CET | Update | https://www.mdpi.com/1999-5903/11/8/168 |
| article html file updated | 27 August 2019 17:26 CEST | Update | - |
| article html file updated | 2 August 2019 04:05 CEST | Update | - |
| article pdf uploaded. | 2 August 2019 04:03 CEST | Updated version of record | https://www.mdpi.com/1999-5903/11/8/168/pdf |
| article xml uploaded. | 2 August 2019 04:03 CEST | Update | https://www.mdpi.com/1999-5903/11/8/168/xml |
| article xml file uploaded | 2 August 2019 04:03 CEST | Update | - |
| article html file updated | 28 July 2019 12:27 CEST | Original file | - |
| article pdf uploaded. | 28 July 2019 12:25 CEST | Version of Record | https://www.mdpi.com/1999-5903/11/8/168/pdf-vor |
| article xml file uploaded | 28 July 2019 12:25 CEST | Original file | - |