| article html file updated | 21 March 2020 11:59 CET | Original file | https://www.mdpi.com/2305-6290/4/1/2 |
| article pdf uploaded. | 21 March 2020 11:58 CET | Updated version of record | https://www.mdpi.com/2305-6290/4/1/2/pdf |
| article xml uploaded. | 21 March 2020 11:58 CET | Update | https://www.mdpi.com/2305-6290/4/1/2/xml |
| article xml file uploaded | 21 March 2020 11:58 CET | Update | N/A |
| article pdf uploaded. | 9 March 2020 08:14 CET | Updated version of record | https://www.mdpi.com/2305-6290/4/1/2/pdf-vor |
| article xml file uploaded | 9 March 2020 08:14 CET | Update | N/A |
| article pdf uploaded. | 30 January 2020 16:56 CET | Version of Record | https://www.mdpi.com/2305-6290/4/1/2/pdf-vor |
| article xml file uploaded | 30 January 2020 16:56 CET | Original file | N/A |
