| article html file updated | 11 February 2020 15:19 CET | Update | https://www.mdpi.com/2224-2708/8/1/12 |
| article html file updated | 14 October 2019 20:11 CEST | Update | - |
| article html file updated | 26 April 2019 18:08 CEST | Update | - |
| article html file updated | 12 April 2019 14:05 CEST | Update | - |
| article html file updated | 10 April 2019 17:39 CEST | Update | - |
| article html file updated | 3 April 2019 18:49 CEST | Update | - |
| article html file updated | 28 February 2019 21:20 CET | Update | - |
| article html file updated | 28 February 2019 12:18 CET | Original file | - |
| article pdf uploaded. | 28 February 2019 12:17 CET | Updated version of record | https://www.mdpi.com/2224-2708/8/1/12/pdf |
| article xml uploaded. | 28 February 2019 12:17 CET | Update | https://www.mdpi.com/2224-2708/8/1/12/xml |
| article xml file uploaded | 28 February 2019 12:17 CET | Update | - |
| article pdf uploaded. | 12 February 2019 12:25 CET | Version of Record | https://www.mdpi.com/2224-2708/8/1/12/pdf-vor |
| article xml file uploaded | 12 February 2019 12:25 CET | Original file | - |
