| article html file updated | 12 February 2020 06:35 CET | Update | https://www.mdpi.com/2075-4701/9/4/460 |
| article html file updated | 18 October 2019 16:35 CEST | Update | - |
| article html file updated | 25 April 2019 12:10 CEST | Original file | - |
| article pdf uploaded. | 25 April 2019 12:08 CEST | Updated version of record | https://www.mdpi.com/2075-4701/9/4/460/pdf |
| article xml uploaded. | 25 April 2019 12:08 CEST | Update | https://www.mdpi.com/2075-4701/9/4/460/xml |
| article xml file uploaded | 25 April 2019 12:07 CEST | Update | - |
| article pdf uploaded. | 19 April 2019 15:10 CEST | Version of Record | https://www.mdpi.com/2075-4701/9/4/460/pdf-vor |
| article xml file uploaded | 19 April 2019 15:10 CEST | Original file | - |