| article html file updated | 11 February 2020 06:04 CET | Update | https://www.mdpi.com/2226-4310/6/1/2 |
| article html file updated | 12 October 2019 17:22 CEST | Update | - |
| article html file updated | 27 April 2019 12:49 CEST | Update | - |
| article html file updated | 13 April 2019 08:47 CEST | Update | - |
| article html file updated | 2 April 2019 20:41 CEST | Update | - |
| article html file updated | 4 January 2019 02:58 CET | Original file | - |
| article pdf uploaded. | 3 January 2019 06:55 CET | Updated version of record | https://www.mdpi.com/2226-4310/6/1/2/pdf |
| article xml uploaded. | 3 January 2019 06:55 CET | Update | https://www.mdpi.com/2226-4310/6/1/2/xml |
| article xml file uploaded | 3 January 2019 06:55 CET | Update | - |
| article pdf uploaded. | 31 December 2018 12:20 CET | Updated version of record | https://www.mdpi.com/2226-4310/6/1/2/pdf-vor |
| article pdf uploaded. | 31 December 2018 12:14 CET | Version of Record | https://www.mdpi.com/2226-4310/6/1/2/pdf-vor |
| article xml file uploaded | 31 December 2018 12:14 CET | Original file | - |
