| article html file updated | 11 February 2020 16:27 CET | Update | https://www.mdpi.com/2076-3921/8/2/44 |
| article html file updated | 15 October 2019 02:18 CEST | Update | - |
| article html file updated | 26 April 2019 15:55 CEST | Update | - |
| article html file updated | 12 April 2019 11:40 CEST | Update | - |
| article html file updated | 3 April 2019 21:34 CEST | Update | - |
| article html file updated | 1 March 2019 21:34 CET | Update | - |
| article html file updated | 1 March 2019 02:26 CET | Update | - |
| article html file updated | 16 February 2019 07:30 CET | Original file | - |
| article pdf uploaded. | 16 February 2019 07:28 CET | Version of Record | https://www.mdpi.com/2076-3921/8/2/44/pdf |
| article xml uploaded. | 16 February 2019 07:28 CET | Update | https://www.mdpi.com/2076-3921/8/2/44/xml |
| article xml file uploaded | 16 February 2019 07:28 CET | Original file | - |
