| article html file updated | 30 August 2025 20:34 CEST | Update | https://www.mdpi.com/2075-1680/8/2/69 |
| article html file updated | 19 July 2022 19:28 CEST | Update | N/A |
| article html file updated | 12 February 2020 16:50 CET | Update | N/A |
| article html file updated | 21 October 2019 03:23 CEST | Update | N/A |
| article html file updated | 5 July 2019 22:03 CEST | Update | N/A |
| article html file updated | 26 June 2019 10:43 CEST | Original file | N/A |
| article pdf uploaded. | 26 June 2019 10:42 CEST | Updated version of record | https://www.mdpi.com/2075-1680/8/2/69/pdf |
| article xml uploaded. | 26 June 2019 10:42 CEST | Update | https://www.mdpi.com/2075-1680/8/2/69/xml |
| article xml file uploaded | 26 June 2019 10:42 CEST | Update | N/A |
| article pdf uploaded. | 3 June 2019 08:13 CEST | Updated version of record | https://www.mdpi.com/2075-1680/8/2/69/pdf-vor |
| article pdf uploaded. | 31 May 2019 17:18 CEST | Version of Record | https://www.mdpi.com/2075-1680/8/2/69/pdf-vor |
| article xml file uploaded | 31 May 2019 17:18 CEST | Original file | N/A |
