| article html file updated | 1 September 2025 15:05 CEST | Update | https://www.mdpi.com/2309-608X/6/4/331 |
| article html file updated | 23 July 2022 03:36 CEST | Update | N/A |
| article html file updated | 4 December 2020 02:14 CET | Update | N/A |
| article pdf uploaded. | 4 December 2020 02:13 CET | Updated version of record | https://www.mdpi.com/2309-608X/6/4/331/pdf |
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| article html file updated | 3 December 2020 09:44 CET | Update | N/A |
| article pdf uploaded. | 3 December 2020 09:42 CET | Updated version of record | https://www.mdpi.com/2309-608X/6/4/331/pdf-vor |
| article xml uploaded. | 3 December 2020 09:42 CET | Update | N/A |
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| article html file updated | 3 December 2020 08:11 CET | Original file | N/A |
| article pdf uploaded. | 3 December 2020 08:10 CET | Updated version of record | https://www.mdpi.com/2309-608X/6/4/331/pdf-vor |
| article xml uploaded. | 3 December 2020 08:10 CET | Update | N/A |
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| article pdf uploaded. | 2 December 2020 18:32 CET | Version of Record | https://www.mdpi.com/2309-608X/6/4/331/pdf-vor |
