| article html file updated | 9 February 2020 05:04 CET | Update | https://www.mdpi.com/2075-5309/8/2/22 |
| article html file updated | 30 September 2019 09:48 CEST | Update | - |
| article html file updated | 1 May 2019 21:59 CEST | Update | - |
| article html file updated | 17 April 2019 20:46 CEST | Update | - |
| article html file updated | 28 March 2019 19:57 CET | Update | - |
| article html file updated | 14 March 2018 11:09 CET | Update | - |
| article html file updated | 31 January 2018 17:32 CET | Original file | - |
| article xml uploaded. | 31 January 2018 17:31 CET | Update | https://www.mdpi.com/2075-5309/8/2/22/xml |
| article xml uploaded. | 31 January 2018 17:31 CET | Original file | - |
| article pdf uploaded. | 31 January 2018 17:31 CET | Version of Record | https://www.mdpi.com/2075-5309/8/2/22/pdf |
