| article html file updated | 30 August 2025 04:22 CEST | Update | https://www.mdpi.com/2032-6653/9/1/9 |
| article html file updated | 16 July 2022 21:16 CEST | Update | N/A |
| article html file updated | 9 February 2020 20:38 CET | Update | N/A |
| article html file updated | 4 October 2019 09:07 CEST | Update | N/A |
| article html file updated | 30 April 2019 12:55 CEST | Update | N/A |
| article html file updated | 16 April 2019 13:36 CEST | Update | N/A |
| article html file updated | 16 April 2019 07:57 CEST | Update | N/A |
| article html file updated | 30 March 2019 08:39 CET | Update | N/A |
| article pdf uploaded. | 22 June 2018 05:53 CEST | Updated version of record | https://www.mdpi.com/2032-6653/9/1/9/pdf |
| article html file updated | 7 June 2018 12:13 CEST | Original file | N/A |
| article pdf uploaded. | 7 June 2018 12:11 CEST | Version of Record | https://www.mdpi.com/2032-6653/9/1/9/pdf-vor |
| article xml uploaded. | 7 June 2018 12:11 CEST | Update | https://www.mdpi.com/2032-6653/9/1/9/xml |
| article xml file uploaded | 7 June 2018 12:11 CEST | Original file | N/A |