| article html file updated | 9 February 2020 20:07 CET | Update | https://www.mdpi.com/2032-6653/9/1/6 |
| article html file updated | 4 October 2019 05:44 CEST | Update | N/A |
| article html file updated | 30 April 2019 14:10 CEST | Update | N/A |
| article html file updated | 16 April 2019 14:47 CEST | Update | N/A |
| article html file updated | 30 March 2019 07:14 CET | Update | N/A |
| article pdf uploaded. | 22 June 2018 05:43 CEST | Updated version of record | https://www.mdpi.com/2032-6653/9/1/6/pdf |
| article html file updated | 4 June 2018 08:02 CEST | Original file | N/A |
| article pdf uploaded. | 4 June 2018 08:01 CEST | Version of Record | https://www.mdpi.com/2032-6653/9/1/6/pdf-vor |
| article xml uploaded. | 4 June 2018 08:01 CEST | Update | https://www.mdpi.com/2032-6653/9/1/6/xml |
| article xml file uploaded | 4 June 2018 08:01 CEST | Original file | N/A |
