| article html file updated | 9 February 2020 19:58 CET | Update | https://www.mdpi.com/2075-4450/9/2/59 |
| article html file updated | 4 October 2019 04:51 CEST | Update | - |
| article html file updated | 30 April 2019 14:29 CEST | Update | - |
| article html file updated | 16 April 2019 15:05 CEST | Update | - |
| article html file updated | 30 March 2019 06:55 CET | Update | - |
| article html file updated | 2 June 2018 06:44 CEST | Original file | - |
| article pdf uploaded. | 2 June 2018 06:43 CEST | Version of Record | https://www.mdpi.com/2075-4450/9/2/59/pdf |
| article xml uploaded. | 2 June 2018 06:43 CEST | Update | https://www.mdpi.com/2075-4450/9/2/59/xml |
| article xml file uploaded | 2 June 2018 06:43 CEST | Original file | - |
