| article html file updated | 23 October 2025 06:30 CEST | Update | https://www.mdpi.com/2218-1997/4/8/89 |
| article html file updated | 10 February 2020 06:04 CET | Update | N/A |
| article html file updated | 29 April 2019 16:24 CEST | Update | N/A |
| article html file updated | 15 April 2019 11:45 CEST | Update | N/A |
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| article html file updated | 27 August 2018 04:43 CEST | Update | N/A |
| article html file updated | 17 August 2018 10:48 CEST | Update | N/A |
| article pdf uploaded. | 17 August 2018 10:46 CEST | Updated version of record | https://www.mdpi.com/2218-1997/4/8/89/pdf |
| article xml uploaded. | 17 August 2018 10:46 CEST | Update | https://www.mdpi.com/2218-1997/4/8/89/xml |
| article xml file uploaded | 17 August 2018 10:46 CEST | Update | N/A |
| article html file updated | 17 August 2018 09:07 CEST | Original file | N/A |
| article pdf uploaded. | 17 August 2018 09:06 CEST | Updated version of record | https://www.mdpi.com/2218-1997/4/8/89/pdf-vor |
| article xml uploaded. | 17 August 2018 09:06 CEST | Update | N/A |
| article xml file uploaded | 17 August 2018 09:06 CEST | Update | N/A |
| article pdf uploaded. | 15 August 2018 11:51 CEST | Version of Record | https://www.mdpi.com/2218-1997/4/8/89/pdf-vor |
| article xml file uploaded | 15 August 2018 11:51 CEST | Original file | N/A |
