| article html file updated | 13 February 2020 00:31 CET | Update | https://www.mdpi.com/1999-5903/11/7/147 | 
| article html file updated | 31 July 2019 22:49 CEST | Update | - | 
| article html file updated | 8 July 2019 14:24 CEST | Original file | - | 
| article pdf uploaded. | 8 July 2019 14:23 CEST | Updated version of record | https://www.mdpi.com/1999-5903/11/7/147/pdf | 
| article xml uploaded. | 8 July 2019 14:23 CEST | Update | https://www.mdpi.com/1999-5903/11/7/147/xml | 
| article xml file uploaded | 8 July 2019 14:23 CEST | Update | - | 
| article pdf uploaded. | 5 July 2019 15:49 CEST | Version of Record | https://www.mdpi.com/1999-5903/11/7/147/pdf-vor | 
| article xml file uploaded | 5 July 2019 15:49 CEST | Original file | - |