| article html file updated | 31 August 2025 06:54 CEST | Update | https://www.mdpi.com/1999-4915/12/1/2 |
| article html file updated | 19 July 2022 21:22 CEST | Update | N/A |
| article html file updated | 14 February 2020 19:50 CET | Update | N/A |
| article html file updated | 6 February 2020 22:32 CET | Update | N/A |
| article html file updated | 26 December 2019 04:00 CET | Update | N/A |
| article pdf uploaded. | 26 December 2019 03:58 CET | Updated version of record | https://www.mdpi.com/1999-4915/12/1/2/pdf |
| article xml uploaded. | 26 December 2019 03:58 CET | Update | https://www.mdpi.com/1999-4915/12/1/2/xml |
| article xml file uploaded | 26 December 2019 03:58 CET | Update | N/A |
| article html file updated | 20 December 2019 10:58 CET | Original file | N/A |
| article pdf uploaded. | 20 December 2019 10:57 CET | Updated version of record | https://www.mdpi.com/1999-4915/12/1/2/pdf-vor |
| article xml uploaded. | 20 December 2019 10:57 CET | Update | N/A |
| article xml file uploaded | 20 December 2019 10:57 CET | Update | N/A |
| article supplementary file uploaded. | 18 December 2019 15:20 CET | - | https://www.mdpi.com/1999-4915/12/1/2#supplementary |
| article pdf uploaded. | 18 December 2019 15:20 CET | Version of Record | https://www.mdpi.com/1999-4915/12/1/2/pdf-vor |
| article xml file uploaded | 18 December 2019 15:20 CET | Original file | N/A |