| article html file updated | 31 August 2025 23:28 CEST | Update | https://www.mdpi.com/2075-4655/4/2/9 |
| article html file updated | 21 July 2022 20:44 CEST | Update | N/A |
| article html file updated | 6 July 2020 13:54 CEST | Update | N/A |
| article html file updated | 29 June 2020 08:32 CEST | Original file | N/A |
| article pdf uploaded. | 29 June 2020 08:31 CEST | Updated version of record | https://www.mdpi.com/2075-4655/4/2/9/pdf |
| article xml uploaded. | 29 June 2020 08:31 CEST | Update | https://www.mdpi.com/2075-4655/4/2/9/xml |
| article xml file uploaded | 29 June 2020 08:31 CEST | Original file | N/A |
| article supplementary file uploaded. | 12 June 2020 13:31 CEST | - | https://www.mdpi.com/2075-4655/4/2/9#supplementary |
| article pdf uploaded. | 12 June 2020 13:31 CEST | Version of Record | https://www.mdpi.com/2075-4655/4/2/9/pdf-vor |
