| article html file updated | 30 August 2025 04:37 CEST | Update | https://www.mdpi.com/2313-0105/4/2/29 |
| article html file updated | 16 July 2022 21:47 CEST | Update | - |
| article html file updated | 9 February 2020 21:54 CET | Update | - |
| article html file updated | 4 October 2019 17:06 CEST | Update | - |
| article html file updated | 30 April 2019 09:49 CEST | Update | - |
| article html file updated | 16 April 2019 10:12 CEST | Update | - |
| article html file updated | 16 April 2019 05:17 CEST | Update | - |
| article html file updated | 30 March 2019 11:54 CET | Update | - |
| article html file updated | 25 June 2018 11:58 CEST | Update | - |
| article html file updated | 18 June 2018 12:34 CEST | Original file | - |
| article pdf uploaded. | 18 June 2018 12:32 CEST | Version of Record | https://www.mdpi.com/2313-0105/4/2/29/pdf |
| article xml uploaded. | 18 June 2018 12:32 CEST | Update | https://www.mdpi.com/2313-0105/4/2/29/xml |
| article xml file uploaded | 18 June 2018 12:32 CEST | Original file | - |