| article html file updated | 11 February 2020 05:18 CET | Update | https://www.mdpi.com/2075-5309/9/1/4 |
| article html file updated | 12 October 2019 12:04 CEST | Update | N/A |
| article html file updated | 27 April 2019 14:35 CEST | Update | N/A |
| article html file updated | 13 April 2019 10:31 CEST | Update | N/A |
| article html file updated | 2 April 2019 18:45 CEST | Update | N/A |
| article html file updated | 26 January 2019 11:13 CET | Update | N/A |
| article html file updated | 25 December 2018 15:18 CET | Original file | N/A |
| article pdf uploaded. | 25 December 2018 15:17 CET | Version of Record | https://www.mdpi.com/2075-5309/9/1/4/pdf |
| article xml uploaded. | 25 December 2018 15:17 CET | Update | https://www.mdpi.com/2075-5309/9/1/4/xml |
| article xml file uploaded | 25 December 2018 15:17 CET | Original file | N/A |
