| article html file updated | 9 February 2020 18:16 CET | Update | https://www.mdpi.com/2032-6653/9/1/2 |
| article html file updated | 30 April 2019 18:24 CEST | Update | - |
| article html file updated | 16 April 2019 18:51 CEST | Update | - |
| article html file updated | 30 March 2019 02:33 CET | Update | - |
| article html file updated | 22 May 2018 15:31 CEST | Update | - |
| article xml uploaded. | 22 May 2018 15:30 CEST | Update | https://www.mdpi.com/2032-6653/9/1/2/xml |
| article pdf uploaded. | 22 May 2018 15:30 CEST | Updated version of record | https://www.mdpi.com/2032-6653/9/1/2/pdf |
| article html file updated | 19 May 2018 08:30 CEST | Original file | - |
| article pdf uploaded. | 19 May 2018 08:29 CEST | Version of Record | https://www.mdpi.com/2032-6653/9/1/2/pdf-vor |
| article xml file uploaded | 19 May 2018 08:29 CEST | Original file | - |
