| article html file updated | 11 February 2020 14:15 CET | Update | https://www.mdpi.com/2218-2004/7/1/21 |
| article html file updated | 14 October 2019 14:17 CEST | Update | N/A |
| article html file updated | 26 April 2019 20:15 CEST | Update | N/A |
| article html file updated | 12 April 2019 16:06 CEST | Update | N/A |
| article html file updated | 10 April 2019 20:43 CEST | Update | N/A |
| article html file updated | 3 April 2019 16:18 CEST | Update | N/A |
| article html file updated | 6 March 2019 11:56 CET | Original file | N/A |
| article pdf uploaded. | 6 March 2019 11:55 CET | Updated version of record | https://www.mdpi.com/2218-2004/7/1/21/pdf |
| article xml uploaded. | 6 March 2019 11:55 CET | Update | https://www.mdpi.com/2218-2004/7/1/21/xml |
| article xml file uploaded | 6 March 2019 11:55 CET | Update | N/A |
| article pdf uploaded. | 6 February 2019 16:30 CET | Version of Record | https://www.mdpi.com/2218-2004/7/1/21/pdf-vor |
| article xml file uploaded | 6 February 2019 16:30 CET | Original file | N/A |