| article html file updated | 9 February 2020 05:42 CET | Update | https://www.mdpi.com/2504-3110/2/1/9 |
| article html file updated | 1 May 2019 20:33 CEST | Update | N/A |
| article html file updated | 17 April 2019 19:35 CEST | Update | N/A |
| article html file updated | 28 March 2019 21:18 CET | Update | N/A |
| article pdf uploaded. | 7 February 2018 08:10 CET | Updated version of record | https://www.mdpi.com/2504-3110/2/1/9/pdf |
| article html file updated | 7 February 2018 07:18 CET | Original file | N/A |
| article xml uploaded. | 7 February 2018 07:17 CET | Original file | https://www.mdpi.com/2504-3110/2/1/9/xml |
| article pdf uploaded. | 7 February 2018 07:17 CET | Updated version of record | https://www.mdpi.com/2504-3110/2/1/9/pdf-vor |
| article pdf uploaded. | 6 February 2018 15:50 CET | Version of Record | https://www.mdpi.com/2504-3110/2/1/9/pdf-vor |
