| article html file updated | 30 August 2025 13:22 CEST | Update | https://www.mdpi.com/2297-8739/6/1/18 |
| article html file updated | 19 July 2022 16:51 CEST | Update | - |
| article html file updated | 12 February 2020 00:50 CET | Update | - |
| article html file updated | 17 October 2019 04:58 CEST | Update | - |
| article html file updated | 25 April 2019 21:31 CEST | Update | - |
| article html file updated | 11 April 2019 16:40 CEST | Update | - |
| article html file updated | 2 April 2019 09:36 CEST | Update | - |
| article html file updated | 26 March 2019 10:22 CET | Original file | - |
| article pdf uploaded. | 26 March 2019 10:20 CET | Version of Record | https://www.mdpi.com/2297-8739/6/1/18/pdf |
| article xml uploaded. | 26 March 2019 10:20 CET | Update | https://www.mdpi.com/2297-8739/6/1/18/xml |
| article xml file uploaded | 26 March 2019 10:20 CET | Original file | - |
