| article html file updated | 15 February 2020 02:13 CET | Update | https://www.mdpi.com/2076-0752/9/1/7 |
| article html file updated | 15 January 2020 11:06 CET | Original file | - |
| article pdf uploaded. | 15 January 2020 11:04 CET | Updated version of record | https://www.mdpi.com/2076-0752/9/1/7/pdf |
| article xml uploaded. | 15 January 2020 11:04 CET | Update | https://www.mdpi.com/2076-0752/9/1/7/xml |
| article xml file uploaded | 15 January 2020 11:04 CET | Update | - |
| article pdf uploaded. | 11 January 2020 12:55 CET | Version of Record | https://www.mdpi.com/2076-0752/9/1/7/pdf-vor |
| article xml file uploaded | 11 January 2020 12:55 CET | Original file | - |
