| article html file updated | 11 February 2020 16:26 CET | Update | https://www.mdpi.com/2076-3921/8/2/43 |
| article html file updated | 26 April 2019 15:58 CEST | Update | - |
| article html file updated | 12 April 2019 11:43 CEST | Update | - |
| article html file updated | 3 April 2019 21:31 CEST | Update | - |
| article html file updated | 1 March 2019 21:34 CET | Update | - |
| article html file updated | 1 March 2019 02:21 CET | Update | - |
| article html file updated | 17 February 2019 01:52 CET | Original file | - |
| article pdf uploaded. | 16 February 2019 05:22 CET | Version of Record | https://www.mdpi.com/2076-3921/8/2/43/pdf |
| article xml uploaded. | 16 February 2019 05:22 CET | Update | https://www.mdpi.com/2076-3921/8/2/43/xml |
| article xml file uploaded | 16 February 2019 05:22 CET | Original file | - |
