| article html file updated | 17 June 2021 06:46 CEST | Update | https://www.mdpi.com/2076-0752/10/2/31 |
| article pdf uploaded. | 17 June 2021 06:44 CEST | Updated version of record | https://www.mdpi.com/2076-0752/10/2/31/pdf |
| article xml uploaded. | 17 June 2021 06:44 CEST | Update | https://www.mdpi.com/2076-0752/10/2/31/xml |
| article xml file uploaded | 17 June 2021 06:44 CEST | Update | N/A |
| article html file updated | 10 May 2021 10:00 CEST | Update | N/A |
| article html file updated | 10 May 2021 09:53 CEST | Original file | N/A |
| article pdf uploaded. | 10 May 2021 09:52 CEST | Updated version of record | https://www.mdpi.com/2076-0752/10/2/31/pdf-vor |
| article xml file uploaded | 10 May 2021 09:52 CEST | Original file | N/A |
| article pdf uploaded. | 6 May 2021 13:51 CEST | Version of Record | https://www.mdpi.com/2076-0752/10/2/31/pdf-vor |
