| article html file updated | 30 August 2025 10:18 CEST | Update | https://www.mdpi.com/1424-8247/12/1/2 |
| article html file updated | 17 July 2022 18:28 CEST | Update | - |
| article html file updated | 11 February 2020 05:04 CET | Update | - |
| article html file updated | 12 October 2019 10:35 CEST | Update | - |
| article html file updated | 27 April 2019 15:10 CEST | Update | - |
| article html file updated | 13 April 2019 11:01 CEST | Update | - |
| article html file updated | 2 April 2019 18:10 CEST | Update | - |
| article html file updated | 2 April 2019 10:54 CEST | Update | - |
| article html file updated | 24 December 2018 10:38 CET | Original file | - |
| article pdf uploaded. | 24 December 2018 10:37 CET | Version of Record | https://www.mdpi.com/1424-8247/12/1/2/pdf |
| article xml uploaded. | 24 December 2018 10:37 CET | Update | https://www.mdpi.com/1424-8247/12/1/2/xml |
| article xml file uploaded | 24 December 2018 10:37 CET | Original file | - |