| article html file updated | 12 February 2020 17:22 CET | Update | https://www.mdpi.com/2075-4701/9/6/645 |
| article html file updated | 21 October 2019 06:40 CEST | Update | - |
| article html file updated | 5 July 2019 20:40 CEST | Update | - |
| article html file updated | 3 June 2019 16:19 CEST | Original file | - |
| article pdf uploaded. | 3 June 2019 16:17 CEST | Updated version of record | https://www.mdpi.com/2075-4701/9/6/645/pdf |
| article xml uploaded. | 3 June 2019 16:17 CEST | Update | https://www.mdpi.com/2075-4701/9/6/645/xml |
| article xml file uploaded | 3 June 2019 16:17 CEST | Update | - |
| article xml file uploaded | 3 June 2019 15:57 CEST | Original file | - |
