| article html file updated | 25 March 2020 13:26 CET | Original file | https://www.mdpi.com/2225-1146/8/1/2 |
| article pdf uploaded. | 25 March 2020 13:25 CET | Updated version of record | https://www.mdpi.com/2225-1146/8/1/2/pdf |
| article xml uploaded. | 25 March 2020 13:25 CET | Update | https://www.mdpi.com/2225-1146/8/1/2/xml |
| article xml file uploaded | 25 March 2020 13:25 CET | Update | - |
| article pdf uploaded. | 21 January 2020 12:22 CET | Updated version of record | https://www.mdpi.com/2225-1146/8/1/2/pdf-vor |
| article pdf uploaded. | 21 January 2020 10:06 CET | Version of Record | https://www.mdpi.com/2225-1146/8/1/2/pdf-vor |
| article xml file uploaded | 21 January 2020 10:06 CET | Original file | - |
