| article html file updated | 31 August 2025 14:25 CEST | Update | https://www.mdpi.com/2218-6581/9/1/13 |
| article html file updated | 20 July 2022 22:54 CEST | Update | N/A |
| article html file updated | 8 October 2020 18:37 CEST | Update | N/A |
| article html file updated | 27 March 2020 06:23 CET | Original file | N/A |
| article pdf uploaded. | 27 March 2020 06:21 CET | Updated version of record | https://www.mdpi.com/2218-6581/9/1/13/pdf |
| article xml uploaded. | 27 March 2020 06:21 CET | Update | https://www.mdpi.com/2218-6581/9/1/13/xml |
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| article pdf uploaded. | 13 March 2020 16:43 CET | Updated version of record | https://www.mdpi.com/2218-6581/9/1/13/pdf-vor |
| article xml file uploaded | 13 March 2020 16:43 CET | Update | N/A |
| article pdf uploaded. | 13 March 2020 16:43 CET | Version of Record | https://www.mdpi.com/2218-6581/9/1/13/pdf-vor |
| article xml file uploaded | 13 March 2020 16:43 CET | Original file | N/A |
