| article html file updated | 30 August 2025 04:32 CEST | Update | https://www.mdpi.com/2227-9032/6/2/63 |
| article html file updated | 16 July 2022 21:37 CEST | Update | - |
| article html file updated | 9 February 2020 21:27 CET | Update | - |
| article html file updated | 4 October 2019 14:12 CEST | Update | - |
| article html file updated | 30 April 2019 10:57 CEST | Update | - |
| article html file updated | 16 April 2019 11:22 CEST | Update | - |
| article html file updated | 16 April 2019 06:15 CEST | Update | - |
| article html file updated | 30 March 2019 10:44 CET | Update | - |
| article html file updated | 14 June 2018 08:08 CEST | Original file | - |
| article pdf uploaded. | 14 June 2018 08:07 CEST | Version of Record | https://www.mdpi.com/2227-9032/6/2/63/pdf |
| article xml uploaded. | 14 June 2018 08:07 CEST | Update | https://www.mdpi.com/2227-9032/6/2/63/xml |
| article xml file uploaded | 14 June 2018 08:07 CEST | Original file | - |
