| article html file updated | 12 February 2020 07:51 CET | Update | https://www.mdpi.com/2227-9717/7/4/241 |
| article html file updated | 19 October 2019 00:48 CEST | Update | N/A |
| article html file updated | 26 April 2019 05:55 CEST | Original file | N/A |
| article pdf uploaded. | 26 April 2019 05:53 CEST | Updated version of record | https://www.mdpi.com/2227-9717/7/4/241/pdf |
| article xml uploaded. | 26 April 2019 05:53 CEST | Update | https://www.mdpi.com/2227-9717/7/4/241/xml |
| article xml file uploaded | 26 April 2019 05:53 CEST | Update | N/A |
| article pdf uploaded. | 25 April 2019 16:00 CEST | Version of Record | https://www.mdpi.com/2227-9717/7/4/241/pdf-vor |
| article xml file uploaded | 25 April 2019 16:00 CEST | Original file | N/A |
