| article html file updated | 12 February 2020 04:45 CET | Update | https://www.mdpi.com/2226-471X/4/2/24 |
| article html file updated | 25 April 2019 13:05 CEST | Update | N/A |
| article html file updated | 12 April 2019 03:55 CEST | Original file | N/A |
| article pdf uploaded. | 12 April 2019 03:53 CEST | Updated version of record | https://www.mdpi.com/2226-471X/4/2/24/pdf |
| article xml uploaded. | 12 April 2019 03:53 CEST | Update | https://www.mdpi.com/2226-471X/4/2/24/xml |
| article xml file uploaded | 12 April 2019 03:53 CEST | Update | N/A |
| article pdf uploaded. | 11 April 2019 16:12 CEST | Updated version of record | https://www.mdpi.com/2226-471X/4/2/24/pdf-vor |
| article pdf uploaded. | 11 April 2019 16:11 CEST | Version of Record | https://www.mdpi.com/2226-471X/4/2/24/pdf-vor |
| article xml file uploaded | 11 April 2019 16:11 CEST | Original file | N/A |
