| article html file updated | 12 February 2020 16:26 CET | Update | https://www.mdpi.com/2076-0787/8/2/109 |
| article html file updated | 22 June 2019 03:01 CEST | Update | N/A |
| article pdf uploaded. | 22 June 2019 03:00 CEST | Updated version of record | https://www.mdpi.com/2076-0787/8/2/109/pdf |
| article xml uploaded. | 22 June 2019 03:00 CEST | Update | https://www.mdpi.com/2076-0787/8/2/109/xml |
| article xml file uploaded | 22 June 2019 03:00 CEST | Update | N/A |
| article html file updated | 10 June 2019 09:17 CEST | Update | N/A |
| article pdf uploaded. | 10 June 2019 09:16 CEST | Updated version of record | https://www.mdpi.com/2076-0787/8/2/109/pdf-vor |
| article xml file uploaded | 10 June 2019 09:16 CEST | Update | N/A |
| article html file updated | 30 May 2019 12:35 CEST | Original file | N/A |
| article pdf uploaded. | 30 May 2019 12:34 CEST | Version of Record | https://www.mdpi.com/2076-0787/8/2/109/pdf-vor |
| article xml file uploaded | 30 May 2019 12:34 CEST | Original file | N/A |
