| article html file updated | 20 June 2020 09:44 CEST | Update | https://www.mdpi.com/2076-0752/9/2/44 |
| article pdf uploaded. | 20 June 2020 09:42 CEST | Updated version of record | https://www.mdpi.com/2076-0752/9/2/44/pdf |
| article xml uploaded. | 20 June 2020 09:42 CEST | Update | https://www.mdpi.com/2076-0752/9/2/44/xml |
| article xml file uploaded | 20 June 2020 09:42 CEST | Update | N/A |
| article html file updated | 2 April 2020 13:53 CEST | Original file | N/A |
| article pdf uploaded. | 2 April 2020 10:43 CEST | Updated version of record | https://www.mdpi.com/2076-0752/9/2/44/pdf-vor |
| article xml file uploaded | 2 April 2020 10:43 CEST | Update | N/A |
| article pdf uploaded. | 28 March 2020 10:59 CET | Version of Record | https://www.mdpi.com/2076-0752/9/2/44/pdf-vor |
| article xml file uploaded | 28 March 2020 10:59 CET | Original file | N/A |
