| article html file updated | 17 August 2026 01:47 CEST | Update | https://www.mdpi.com/2076-0752/9/1/15 |
| article html file updated | 26 March 2020 07:38 CET | Original file | N/A |
| article pdf uploaded. | 26 March 2020 07:36 CET | Updated version of record | https://www.mdpi.com/2076-0752/9/1/15/pdf |
| article xml uploaded. | 26 March 2020 07:36 CET | Update | https://www.mdpi.com/2076-0752/9/1/15/xml |
| article xml file uploaded | 26 March 2020 07:36 CET | Update | N/A |
| article pdf uploaded. | 4 February 2020 12:03 CET | Version of Record | https://www.mdpi.com/2076-0752/9/1/15/pdf-vor |
| article xml file uploaded | 4 February 2020 12:03 CET | Original file | N/A |
