| article html file updated | 2 April 2020 12:19 CEST | Update | https://www.mdpi.com/2076-3271/8/1/13 |
| article html file updated | 26 March 2020 11:55 CET | Original file | N/A |
| article pdf uploaded. | 26 March 2020 11:54 CET | Updated version of record | https://www.mdpi.com/2076-3271/8/1/13/pdf |
| article xml uploaded. | 26 March 2020 11:54 CET | Update | https://www.mdpi.com/2076-3271/8/1/13/xml |
| article xml file uploaded | 26 March 2020 11:54 CET | Update | N/A |
| article pdf uploaded. | 13 February 2020 16:18 CET | Version of Record | https://www.mdpi.com/2076-3271/8/1/13/pdf-vor |
| article xml file uploaded | 13 February 2020 16:18 CET | Original file | N/A |
