| article html file updated | 13 February 2020 18:00 CET | Update | https://www.mdpi.com/2227-7072/7/3/52 |
| article html file updated | 26 September 2019 16:23 CEST | Update | N/A |
| article html file updated | 20 September 2019 11:36 CEST | Original file | N/A |
| article pdf uploaded. | 20 September 2019 11:34 CEST | Updated version of record | https://www.mdpi.com/2227-7072/7/3/52/pdf |
| article xml uploaded. | 20 September 2019 11:34 CEST | Update | https://www.mdpi.com/2227-7072/7/3/52/xml |
| article xml file uploaded | 20 September 2019 11:34 CEST | Update | N/A |
| article pdf uploaded. | 16 September 2019 15:40 CEST | Version of Record | https://www.mdpi.com/2227-7072/7/3/52/pdf-vor |
| article xml file uploaded | 16 September 2019 15:40 CEST | Original file | N/A |
