| article html file updated | 11 February 2020 14:12 CET | Update | https://www.mdpi.com/2227-7080/7/1/21 |
| article html file updated | 14 October 2019 13:58 CEST | Update | N/A |
| article html file updated | 26 April 2019 20:22 CEST | Update | N/A |
| article html file updated | 12 April 2019 16:12 CEST | Update | N/A |
| article html file updated | 10 April 2019 19:53 CEST | Update | N/A |
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| article html file updated | 28 February 2019 15:58 CET | Update | N/A |
| article html file updated | 17 February 2019 04:19 CET | Original file | N/A |
| article pdf uploaded. | 17 February 2019 04:16 CET | Updated version of record | https://www.mdpi.com/2227-7080/7/1/21/pdf |
| article xml uploaded. | 17 February 2019 04:16 CET | Update | https://www.mdpi.com/2227-7080/7/1/21/xml |
| article xml file uploaded | 17 February 2019 04:16 CET | Update | N/A |
| article pdf uploaded. | 6 February 2019 12:57 CET | Version of Record | https://www.mdpi.com/2227-7080/7/1/21/pdf-vor |
| article xml file uploaded | 6 February 2019 12:57 CET | Original file | N/A |