| article html file updated | 13 February 2020 08:00 CET | Update | https://www.mdpi.com/2409-9287/4/3/45 |
| article html file updated | 7 August 2019 11:13 CEST | Original file | N/A |
| article pdf uploaded. | 7 August 2019 11:12 CEST | Updated version of record | https://www.mdpi.com/2409-9287/4/3/45/pdf |
| article xml uploaded. | 7 August 2019 11:12 CEST | Update | https://www.mdpi.com/2409-9287/4/3/45/xml |
| article xml file uploaded | 7 August 2019 11:12 CEST | Update | N/A |
| article pdf uploaded. | 7 August 2019 11:09 CEST | Updated version of record | N/A |
| article xml file uploaded | 7 August 2019 11:09 CEST | Update | N/A |
| article xml file uploaded | 7 August 2019 11:08 CEST | Original file | N/A |
