| article html file updated | 17 August 2026 04:21 CEST | Update | https://www.mdpi.com/2304-6775/8/1/13 |
| article html file updated | 24 December 2025 17:46 CET | Update | N/A |
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| article html file updated | 27 November 2020 04:35 CET | Update | N/A |
| article xml uploaded. | 27 November 2020 04:33 CET | Update | https://www.mdpi.com/2304-6775/8/1/13/xml |
| article xml uploaded. | 27 November 2020 04:33 CET | Update | N/A |
| article xml uploaded. | 27 November 2020 04:33 CET | Update | N/A |
| article xml uploaded. | 27 November 2020 04:33 CET | Update | N/A |
| article xml uploaded. | 27 November 2020 04:33 CET | Update | N/A |
| article xml uploaded. | 27 November 2020 04:33 CET | Update | N/A |
| article xml uploaded. | 27 November 2020 04:33 CET | Update | N/A |
| article pdf uploaded. | 27 November 2020 04:33 CET | Updated version of record | https://www.mdpi.com/2304-6775/8/1/13/pdf |
| article html file updated | 8 October 2020 17:23 CEST | Update | N/A |
| article html file updated | 25 March 2020 06:52 CET | Original file | N/A |
| article pdf uploaded. | 25 March 2020 06:50 CET | Updated version of record | https://www.mdpi.com/2304-6775/8/1/13/pdf-vor |
| article xml uploaded. | 25 March 2020 06:50 CET | Update | N/A |
| article xml file uploaded | 25 March 2020 06:50 CET | Update | N/A |
| article pdf uploaded. | 28 February 2020 16:08 CET | Version of Record | https://www.mdpi.com/2304-6775/8/1/13/pdf-vor |
| article xml file uploaded | 28 February 2020 16:08 CET | Original file | N/A |
