| article html file updated | 9 February 2020 06:55 CET | Update | https://www.mdpi.com/2227-9067/5/2/25 |
| article html file updated | 30 September 2019 20:58 CEST | Update | - |
| article html file updated | 1 May 2019 17:51 CEST | Update | - |
| article html file updated | 17 April 2019 17:11 CEST | Update | - |
| article html file updated | 28 March 2019 23:54 CET | Update | - |
| article html file updated | 14 March 2018 08:33 CET | Update | - |
| article html file updated | 19 February 2018 17:34 CET | Original file | - |
| article xml uploaded. | 19 February 2018 17:33 CET | Update | https://www.mdpi.com/2227-9067/5/2/25/xml |
| article xml uploaded. | 19 February 2018 17:33 CET | Original file | - |
| article pdf uploaded. | 19 February 2018 17:33 CET | Updated version of record | https://www.mdpi.com/2227-9067/5/2/25/pdf |
| article pdf uploaded. | 19 February 2018 15:20 CET | Updated version of record | https://www.mdpi.com/2227-9067/5/2/25/pdf-vor |
| article pdf uploaded. | 16 February 2018 14:40 CET | Version of Record | https://www.mdpi.com/2227-9067/5/2/25/pdf-vor |
