| article html file updated | 29 August 2025 23:56 CEST | Update | https://www.mdpi.com/2076-3298/3/4/31 |
| article html file updated | 16 July 2022 03:57 CEST | Update | N/A |
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| article xml uploaded. | 7 December 2016 12:24 CET | Update | https://www.mdpi.com/2076-3298/3/4/31/xml |
| article pdf uploaded. | 7 December 2016 12:24 CET | Updated version of record | https://www.mdpi.com/2076-3298/3/4/31/pdf |
| article html file updated | 7 December 2016 11:27 CET | Update | N/A |
| article xml uploaded. | 7 December 2016 11:25 CET | Update | N/A |
| article pdf uploaded. | 7 December 2016 11:25 CET | Updated version of record | https://www.mdpi.com/2076-3298/3/4/31/pdf-vor |
| article html file updated | 7 December 2016 09:33 CET | Update | N/A |
| article xml uploaded. | 7 December 2016 09:32 CET | Update | N/A |
| article pdf uploaded. | 7 December 2016 09:32 CET | Updated version of record | https://www.mdpi.com/2076-3298/3/4/31/pdf-vor |
| article html file updated | 23 November 2016 11:27 CET | Original file | N/A |
| article xml uploaded. | 23 November 2016 11:26 CET | Original file | N/A |
| article pdf uploaded. | 23 November 2016 11:26 CET | Version of Record | https://www.mdpi.com/2076-3298/3/4/31/pdf-vor |
