| article html file updated | 12 February 2020 11:09 CET | Update | https://www.mdpi.com/2227-7099/7/2/42 |
| article html file updated | 19 October 2019 20:14 CEST | Update | N/A |
| article html file updated | 5 July 2019 10:40 CEST | Update | N/A |
| article html file updated | 5 July 2019 09:03 CEST | Update | N/A |
| article html file updated | 12 June 2019 11:02 CEST | Original file | N/A |
| article pdf uploaded. | 12 June 2019 11:01 CEST | Updated version of record | https://www.mdpi.com/2227-7099/7/2/42/pdf |
| article xml uploaded. | 12 June 2019 11:01 CEST | Update | https://www.mdpi.com/2227-7099/7/2/42/xml |
| article xml file uploaded | 12 June 2019 11:01 CEST | Update | N/A |
| article pdf uploaded. | 9 May 2019 15:51 CEST | Version of Record | https://www.mdpi.com/2227-7099/7/2/42/pdf-vor |
| article xml file uploaded | 9 May 2019 15:51 CEST | Original file | N/A |
