| article html file updated | 10 February 2020 00:08 CET | Update | https://www.mdpi.com/2032-6653/9/2/22 |
| article html file updated | 5 October 2019 06:58 CEST | Update | N/A |
| article html file updated | 30 April 2019 04:53 CEST | Update | N/A |
| article html file updated | 16 April 2019 00:10 CEST | Update | N/A |
| article html file updated | 30 March 2019 17:26 CET | Update | N/A |
| article html file updated | 1 August 2018 12:42 CEST | Update | N/A |
| article html file updated | 5 July 2018 06:35 CEST | Original file | N/A |
| article pdf uploaded. | 5 July 2018 06:34 CEST | Version of Record | https://www.mdpi.com/2032-6653/9/2/22/pdf |
| article xml uploaded. | 5 July 2018 06:34 CEST | Update | https://www.mdpi.com/2032-6653/9/2/22/xml |
| article xml file uploaded | 5 July 2018 06:34 CEST | Original file | N/A |
