| article html file updated | 12 February 2020 09:45 CET | Update | https://www.mdpi.com/2227-9717/7/5/257 |
| article html file updated | 19 October 2019 12:07 CEST | Update | N/A |
| article html file updated | 5 June 2019 00:03 CEST | Update | N/A |
| article html file updated | 20 May 2019 11:42 CEST | Original file | N/A |
| article pdf uploaded. | 20 May 2019 11:41 CEST | Updated version of record | https://www.mdpi.com/2227-9717/7/5/257/pdf |
| article xml uploaded. | 20 May 2019 11:41 CEST | Update | https://www.mdpi.com/2227-9717/7/5/257/xml |
| article xml file uploaded | 20 May 2019 11:41 CEST | Update | N/A |
| article pdf uploaded. | 3 May 2019 16:06 CEST | Version of Record | https://www.mdpi.com/2227-9717/7/5/257/pdf-vor |
| article xml file uploaded | 3 May 2019 16:06 CEST | Original file | N/A |
