| article html file updated | 9 February 2020 21:32 CET | Update | https://www.mdpi.com/2225-1154/6/2/52 |
| article html file updated | 30 April 2019 10:47 CEST | Update | - |
| article html file updated | 16 April 2019 11:12 CEST | Update | - |
| article html file updated | 16 April 2019 06:06 CEST | Update | - |
| article html file updated | 30 March 2019 10:55 CET | Update | - |
| article html file updated | 27 June 2018 20:17 CEST | Update | - |
| article html file updated | 14 June 2018 12:46 CEST | Original file | - |
| article pdf uploaded. | 14 June 2018 12:45 CEST | Version of Record | https://www.mdpi.com/2225-1154/6/2/52/pdf |
| article xml uploaded. | 14 June 2018 12:45 CEST | Update | https://www.mdpi.com/2225-1154/6/2/52/xml |
| article xml file uploaded | 14 June 2018 12:45 CEST | Original file | - |
