| article html file updated | 12 February 2020 03:30 CET | Update | https://www.mdpi.com/2227-9717/7/4/198 |
| article html file updated | 17 October 2019 20:58 CEST | Update | N/A |
| article html file updated | 25 April 2019 15:55 CEST | Update | N/A |
| article html file updated | 21 April 2019 10:48 CEST | Original file | N/A |
| article pdf uploaded. | 21 April 2019 10:47 CEST | Updated version of record | https://www.mdpi.com/2227-9717/7/4/198/pdf |
| article xml uploaded. | 21 April 2019 10:47 CEST | Update | https://www.mdpi.com/2227-9717/7/4/198/xml |
| article xml file uploaded | 21 April 2019 10:47 CEST | Update | N/A |
| article pdf uploaded. | 6 April 2019 11:03 CEST | Version of Record | https://www.mdpi.com/2227-9717/7/4/198/pdf-vor |
| article xml file uploaded | 6 April 2019 11:03 CEST | Original file | N/A |
