| article html file updated | 9 February 2020 16:46 CET | Update | https://www.mdpi.com/2224-2708/7/2/19 |
| article html file updated | 30 April 2019 21:37 CEST | Update | - |
| article html file updated | 16 April 2019 22:05 CEST | Update | - |
| article html file updated | 29 March 2019 22:48 CET | Update | - |
| article html file updated | 28 June 2018 08:41 CEST | Update | - |
| article html file updated | 11 May 2018 06:27 CEST | Update | - |
| article xml uploaded. | 11 May 2018 06:25 CEST | Update | https://www.mdpi.com/2224-2708/7/2/19/xml |
| article pdf uploaded. | 11 May 2018 06:25 CEST | Updated version of record | https://www.mdpi.com/2224-2708/7/2/19/pdf |
| article html file updated | 8 May 2018 11:07 CEST | Original file | - |
| article pdf uploaded. | 8 May 2018 11:05 CEST | Version of Record | https://www.mdpi.com/2224-2708/7/2/19/pdf-vor |
| article xml file uploaded | 8 May 2018 11:05 CEST | Original file | - |
