| article html file updated | 14 February 2020 06:04 CET | Update | https://www.mdpi.com/2227-7072/7/4/64 |
| article html file updated | 31 December 2019 06:10 CET | Update | N/A |
| article html file updated | 6 November 2019 07:12 CET | Update | N/A |
| article pdf uploaded. | 6 November 2019 07:11 CET | Updated version of record | https://www.mdpi.com/2227-7072/7/4/64/pdf |
| article xml uploaded. | 6 November 2019 07:11 CET | Update | https://www.mdpi.com/2227-7072/7/4/64/xml |
| article xml file uploaded | 6 November 2019 07:11 CET | Update | N/A |
| article html file updated | 6 November 2019 05:27 CET | Original file | N/A |
| article pdf uploaded. | 6 November 2019 05:25 CET | Updated version of record | https://www.mdpi.com/2227-7072/7/4/64/pdf-vor |
| article xml uploaded. | 6 November 2019 05:25 CET | Update | N/A |
| article xml file uploaded | 6 November 2019 05:25 CET | Update | N/A |
| article pdf uploaded. | 1 November 2019 14:16 CET | Version of Record | https://www.mdpi.com/2227-7072/7/4/64/pdf-vor |
| article xml file uploaded | 1 November 2019 14:16 CET | Original file | N/A |
