| article html file updated | 1 September 2025 16:59 CEST | Update | https://www.mdpi.com/2218-6581/10/1/2 |
| article html file updated | 23 July 2022 07:16 CEST | Update | - |
| article html file updated | 30 December 2020 09:39 CET | Update | - |
| article pdf uploaded. | 30 December 2020 09:37 CET | Updated version of record | https://www.mdpi.com/2218-6581/10/1/2/pdf |
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| article html file updated | 25 December 2020 11:10 CET | Update | - |
| article pdf uploaded. | 25 December 2020 11:09 CET | Updated version of record | https://www.mdpi.com/2218-6581/10/1/2/pdf-vor |
| article xml file uploaded | 25 December 2020 11:09 CET | Update | - |
| article xml uploaded. | 25 December 2020 11:09 CET | Update | - |
| article html file updated | 25 December 2020 11:05 CET | Update | - |
| article pdf uploaded. | 25 December 2020 11:04 CET | Updated version of record | https://www.mdpi.com/2218-6581/10/1/2/pdf-vor |
| article xml uploaded. | 25 December 2020 11:04 CET | Update | - |
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| article html file updated | 25 December 2020 07:56 CET | Original file | - |
| article pdf uploaded. | 25 December 2020 07:55 CET | Version of Record | https://www.mdpi.com/2218-6581/10/1/2/pdf-vor |
| article xml uploaded. | 25 December 2020 07:55 CET | Update | - |
| article xml file uploaded | 25 December 2020 07:54 CET | Original file | - |
