| article html file updated | 12 February 2020 07:51 CET | Update | https://www.mdpi.com/1996-1073/12/8/1581 |
| article html file updated | 9 May 2019 15:39 CEST | Update | N/A |
| article html file updated | 26 April 2019 14:30 CEST | Original file | N/A |
| article pdf uploaded. | 26 April 2019 14:29 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/8/1581/pdf |
| article xml uploaded. | 26 April 2019 14:29 CEST | Update | https://www.mdpi.com/1996-1073/12/8/1581/xml |
| article xml file uploaded | 26 April 2019 14:29 CEST | Update | N/A |
| article pdf uploaded. | 25 April 2019 15:53 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/8/1581/pdf-vor |
| article xml file uploaded | 25 April 2019 15:53 CEST | Original file | N/A |
