| article html file updated | 17 August 2026 08:18 CEST | Update | https://www.mdpi.com/2076-3921/9/4/304 |
| article html file updated | 31 August 2025 16:50 CEST | Update | N/A |
| article html file updated | 21 July 2022 01:19 CEST | Update | N/A |
| article html file updated | 29 June 2020 06:13 CEST | Update | N/A |
| article xml uploaded. | 29 June 2020 06:11 CEST | Update | https://www.mdpi.com/2076-3921/9/4/304/xml |
| article pdf uploaded. | 29 June 2020 06:11 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/4/304/pdf |
| Erratum published | 9 June 2020 00:00 CEST | Erratum | https://www.mdpi.com/2076-3921/9/6/508 |
| article html file updated | 16 April 2020 17:38 CEST | Original file | N/A |
| article pdf uploaded. | 16 April 2020 17:37 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/4/304/pdf-vor |
| article xml file uploaded | 16 April 2020 17:37 CEST | Update | N/A |
| article pdf uploaded. | 8 April 2020 15:46 CEST | Version of Record | https://www.mdpi.com/2076-3921/9/4/304/pdf-vor |
| article xml file uploaded | 8 April 2020 15:46 CEST | Original file | N/A |
