| article html file updated | 26 June 2020 12:30 CEST | Update | https://www.mdpi.com/2076-0752/9/2/60 |
| article pdf uploaded. | 26 June 2020 12:28 CEST | Updated version of record | https://www.mdpi.com/2076-0752/9/2/60/pdf |
| article xml uploaded. | 26 June 2020 12:28 CEST | Update | https://www.mdpi.com/2076-0752/9/2/60/xml |
| article xml file uploaded | 26 June 2020 12:27 CEST | Update | N/A |
| article html file updated | 24 June 2020 11:22 CEST | Original file | N/A |
| article pdf uploaded. | 24 June 2020 11:20 CEST | Updated version of record | https://www.mdpi.com/2076-0752/9/2/60/pdf-vor |
| article xml file uploaded | 24 June 2020 11:20 CEST | Update | N/A |
| article pdf uploaded. | 19 May 2020 12:30 CEST | Version of Record | https://www.mdpi.com/2076-0752/9/2/60/pdf-vor |
| article xml file uploaded | 19 May 2020 12:30 CEST | Original file | N/A |
