| article html file updated | 31 August 2025 10:32 CEST | Update | https://www.mdpi.com/2218-0532/88/1/6 |
| article html file updated | 20 July 2022 19:03 CEST | Update | - |
| article html file updated | 26 March 2020 07:43 CET | Original file | - |
| article pdf uploaded. | 26 March 2020 07:42 CET | Updated version of record | https://www.mdpi.com/2218-0532/88/1/6/pdf |
| article xml uploaded. | 26 March 2020 07:42 CET | Update | https://www.mdpi.com/2218-0532/88/1/6/xml |
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| article pdf uploaded. | 12 February 2020 04:26 CET | Updated version of record | https://www.mdpi.com/2218-0532/88/1/6/pdf-vor |
| article pdf uploaded. | 2 February 2020 16:20 CET | Version of Record | https://www.mdpi.com/2218-0532/88/1/6/pdf-vor |
| article xml file uploaded | 2 February 2020 16:20 CET | Original file | - |
