| article html file updated | 30 August 2025 20:20 CEST | Update | https://www.mdpi.com/2297-8739/6/2/28 |
| article html file updated | 21 August 2025 21:09 CEST | Update | N/A |
| article html file updated | 19 July 2022 19:11 CEST | Update | N/A |
| article html file updated | 12 February 2020 15:34 CET | Update | N/A |
| article html file updated | 20 October 2019 20:01 CEST | Update | N/A |
| article html file updated | 5 July 2019 07:31 CEST | Update | N/A |
| article html file updated | 25 June 2019 09:04 CEST | Original file | N/A |
| article pdf uploaded. | 25 June 2019 09:03 CEST | Updated version of record | https://www.mdpi.com/2297-8739/6/2/28/pdf |
| article xml uploaded. | 25 June 2019 09:03 CEST | Update | https://www.mdpi.com/2297-8739/6/2/28/xml |
| article xml file uploaded | 25 June 2019 09:03 CEST | Update | N/A |
| article pdf uploaded. | 27 May 2019 15:53 CEST | Version of Record | https://www.mdpi.com/2297-8739/6/2/28/pdf-vor |
| article xml file uploaded | 27 May 2019 15:53 CEST | Original file | N/A |
