| article html file updated | 31 August 2025 15:27 CEST | Update | https://www.mdpi.com/2227-7102/10/4/87 |
| article html file updated | 21 August 2025 23:44 CEST | Update | - |
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| article html file updated | 9 May 2020 05:54 CEST | Update | - |
| article html file updated | 30 March 2020 09:22 CEST | Original file | - |
| article pdf uploaded. | 30 March 2020 09:21 CEST | Updated version of record | https://www.mdpi.com/2227-7102/10/4/87/pdf |
| article xml uploaded. | 30 March 2020 09:21 CEST | Update | https://www.mdpi.com/2227-7102/10/4/87/xml |
| article xml file uploaded | 30 March 2020 09:21 CEST | Update | - |
| article supplementary file uploaded. | 25 March 2020 14:40 CET | - | https://www.mdpi.com/2227-7102/10/4/87#supplementary |
| article pdf uploaded. | 25 March 2020 14:40 CET | Version of Record | https://www.mdpi.com/2227-7102/10/4/87/pdf-vor |
| article xml file uploaded | 25 March 2020 14:40 CET | Original file | - |