| article html file updated | 30 August 2025 04:04 CEST | Update | https://www.mdpi.com/2226-4787/6/2/45 |
| article html file updated | 16 July 2022 20:38 CEST | Update | - |
| article html file updated | 9 February 2020 18:35 CET | Update | - |
| article html file updated | 3 October 2019 20:28 CEST | Update | - |
| article html file updated | 30 April 2019 17:42 CEST | Update | - |
| article html file updated | 16 April 2019 18:07 CEST | Update | - |
| article html file updated | 30 March 2019 03:26 CET | Update | - |
| article html file updated | 27 June 2018 09:28 CEST | Update | - |
| article html file updated | 22 May 2018 12:52 CEST | Original file | - |
| article pdf uploaded. | 22 May 2018 12:51 CEST | Version of Record | https://www.mdpi.com/2226-4787/6/2/45/pdf |
| article xml uploaded. | 22 May 2018 12:51 CEST | Update | https://www.mdpi.com/2226-4787/6/2/45/xml |
| article xml file uploaded | 22 May 2018 12:51 CEST | Original file | - |
