| article html file updated | 16 August 2026 03:29 CEST | Update | https://www.mdpi.com/2218-2004/7/3/60 |
| article html file updated | 12 February 2020 22:09 CET | Update | N/A |
| article html file updated | 26 September 2019 16:02 CEST | Update | N/A |
| article html file updated | 26 June 2019 11:08 CEST | Original file | N/A |
| article pdf uploaded. | 26 June 2019 11:06 CEST | Version of Record | https://www.mdpi.com/2218-2004/7/3/60/pdf |
| article xml uploaded. | 26 June 2019 11:06 CEST | Update | https://www.mdpi.com/2218-2004/7/3/60/xml |
| article xml file uploaded | 26 June 2019 11:06 CEST | Original file | N/A |
