| article html file updated | 30 August 2025 08:19 CEST | Update | https://www.mdpi.com/2227-7080/6/4/97 |
| article html file updated | 17 July 2022 06:46 CEST | Update | N/A |
| article html file updated | 10 February 2020 18:42 CET | Update | N/A |
| article html file updated | 9 October 2019 18:53 CEST | Update | N/A |
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| article html file updated | 26 December 2018 03:54 CET | Update | N/A |
| article html file updated | 5 November 2018 02:52 CET | Update | N/A |
| article xml uploaded. | 5 November 2018 02:51 CET | Update | https://www.mdpi.com/2227-7080/6/4/97/xml |
| article xml uploaded. | 5 November 2018 02:51 CET | Update | N/A |
| article pdf uploaded. | 5 November 2018 02:51 CET | Updated version of record | https://www.mdpi.com/2227-7080/6/4/97/pdf |
| article html file updated | 1 November 2018 04:27 CET | Update | N/A |
| article xml uploaded. | 1 November 2018 04:26 CET | Update | N/A |
| article xml uploaded. | 1 November 2018 04:26 CET | Update | N/A |
| article pdf uploaded. | 1 November 2018 04:26 CET | Updated version of record | https://www.mdpi.com/2227-7080/6/4/97/pdf-vor |
| article html file updated | 31 October 2018 06:22 CET | Update | N/A |
| article pdf uploaded. | 31 October 2018 04:53 CET | Updated version of record | https://www.mdpi.com/2227-7080/6/4/97/pdf-vor |
| article xml uploaded. | 31 October 2018 04:53 CET | Update | N/A |
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| article xml file uploaded | 30 October 2018 13:56 CET | Update | N/A |
| article pdf uploaded. | 30 October 2018 13:56 CET | Version of Record | https://www.mdpi.com/2227-7080/6/4/97/pdf-vor |
| article xml uploaded. | 30 October 2018 13:56 CET | Original file | N/A |
| article html file updated | 30 October 2018 13:55 CET | Original file | N/A |
