| article html file updated | 30 August 2025 21:03 CEST | Update | https://www.mdpi.com/2227-7072/7/2/30 |
| article html file updated | 20 July 2022 15:42 CEST | Update | N/A |
| article html file updated | 12 February 2020 19:14 CET | Update | N/A |
| article html file updated | 21 October 2019 18:47 CEST | Update | N/A |
| article html file updated | 5 July 2019 22:15 CEST | Update | N/A |
| article html file updated | 21 June 2019 04:04 CEST | Original file | N/A |
| article pdf uploaded. | 21 June 2019 04:03 CEST | Updated version of record | https://www.mdpi.com/2227-7072/7/2/30/pdf |
| article xml uploaded. | 21 June 2019 04:03 CEST | Update | https://www.mdpi.com/2227-7072/7/2/30/xml |
| article xml file uploaded | 21 June 2019 04:03 CEST | Update | N/A |
| article pdf uploaded. | 14 June 2019 12:16 CEST | Updated version of record | https://www.mdpi.com/2227-7072/7/2/30/pdf-vor |
| article pdf uploaded. | 12 June 2019 15:02 CEST | Version of Record | https://www.mdpi.com/2227-7072/7/2/30/pdf-vor |
| article xml file uploaded | 12 June 2019 15:02 CEST | Original file | N/A |
