| article html file updated | 14 February 2020 23:34 CET | Update | https://www.mdpi.com/2076-0752/9/1/4 |
| article html file updated | 23 January 2020 10:32 CET | Update | - |
| article pdf uploaded. | 23 January 2020 10:31 CET | Updated version of record | https://www.mdpi.com/2076-0752/9/1/4/pdf |
| article xml uploaded. | 23 January 2020 10:31 CET | Update | https://www.mdpi.com/2076-0752/9/1/4/xml |
| article xml file uploaded | 23 January 2020 10:31 CET | Update | - |
| article html file updated | 10 January 2020 02:42 CET | Update | - |
| article pdf uploaded. | 7 January 2020 10:53 CET | Updated version of record | https://www.mdpi.com/2076-0752/9/1/4/pdf-vor |
| article xml file uploaded | 7 January 2020 10:53 CET | Update | - |
| article html file updated | 2 January 2020 09:50 CET | Original file | - |
| article pdf uploaded. | 2 January 2020 09:49 CET | Version of Record | https://www.mdpi.com/2076-0752/9/1/4/pdf-vor |
| article xml file uploaded | 2 January 2020 09:49 CET | Original file | - |
