| article html file updated | 9 June 2020 08:29 CEST | Original file | https://www.mdpi.com/2076-0752/9/2/62 |
| article pdf uploaded. | 9 June 2020 08:27 CEST | Updated version of record | https://www.mdpi.com/2076-0752/9/2/62/pdf |
| article xml uploaded. | 9 June 2020 08:27 CEST | Update | https://www.mdpi.com/2076-0752/9/2/62/xml |
| article xml file uploaded | 9 June 2020 08:27 CEST | Update | N/A |
| article pdf uploaded. | 21 May 2020 10:41 CEST | Version of Record | https://www.mdpi.com/2076-0752/9/2/62/pdf-vor |
| article xml file uploaded | 21 May 2020 10:41 CEST | Original file | N/A |
