| article html file updated | 31 August 2025 09:39 CEST | Update | https://www.mdpi.com/2077-1312/8/2/68 |
| article html file updated | 20 July 2022 18:11 CEST | Update | N/A |
| article html file updated | 6 March 2020 06:39 CET | Update | N/A |
| article html file updated | 16 February 2020 11:22 CET | Original file | N/A |
| article pdf uploaded. | 16 February 2020 11:21 CET | Updated version of record | https://www.mdpi.com/2077-1312/8/2/68/pdf |
| article xml uploaded. | 16 February 2020 11:21 CET | Update | https://www.mdpi.com/2077-1312/8/2/68/xml |
| article xml file uploaded | 16 February 2020 11:21 CET | Update | N/A |
| article pdf uploaded. | 22 January 2020 07:41 CET | Version of Record | https://www.mdpi.com/2077-1312/8/2/68/pdf-vor |
| article xml file uploaded | 22 January 2020 07:41 CET | Original file | N/A |
