| article html file updated | 17 August 2026 03:23 CEST | Update | https://www.mdpi.com/2304-6740/8/2/15 |
| article html file updated | 31 August 2025 12:06 CEST | Update | N/A |
| article html file updated | 20 July 2022 20:37 CEST | Update | N/A |
| article html file updated | 6 March 2020 06:34 CET | Update | N/A |
| article html file updated | 1 March 2020 06:29 CET | Original file | N/A |
| article pdf uploaded. | 1 March 2020 06:27 CET | Updated version of record | https://www.mdpi.com/2304-6740/8/2/15/pdf |
| article xml uploaded. | 1 March 2020 06:27 CET | Update | https://www.mdpi.com/2304-6740/8/2/15/xml |
| article xml file uploaded | 1 March 2020 06:27 CET | Update | N/A |
| article supplementary file uploaded. | 19 February 2020 13:10 CET | - | https://www.mdpi.com/2304-6740/8/2/15#supplementary |
| article pdf uploaded. | 19 February 2020 13:10 CET | Version of Record | https://www.mdpi.com/2304-6740/8/2/15/pdf-vor |
| article xml file uploaded | 19 February 2020 13:10 CET | Original file | N/A |
