| article html file updated | 30 August 2025 04:20 CEST | Update | https://www.mdpi.com/2227-9067/5/6/70 |
| article html file updated | 16 July 2022 21:11 CEST | Update | - |
| article html file updated | 9 February 2020 20:27 CET | Update | - |
| article html file updated | 4 October 2019 07:54 CEST | Update | - |
| article html file updated | 30 April 2019 13:23 CEST | Update | - |
| article html file updated | 16 April 2019 14:00 CEST | Update | - |
| article html file updated | 16 April 2019 08:22 CEST | Update | - |
| article html file updated | 30 March 2019 08:05 CET | Update | - |
| article html file updated | 26 June 2018 04:52 CEST | Update | - |
| article html file updated | 6 June 2018 09:46 CEST | Original file | - |
| article pdf uploaded. | 6 June 2018 09:45 CEST | Version of Record | https://www.mdpi.com/2227-9067/5/6/70/pdf |
| article xml uploaded. | 6 June 2018 09:45 CEST | Update | https://www.mdpi.com/2227-9067/5/6/70/xml |
| article xml file uploaded | 6 June 2018 09:45 CEST | Original file | - |
