| article html file updated | 11 February 2020 14:48 CET | Update | https://www.mdpi.com/2223-7747/8/2/37 |
| article html file updated | 14 October 2019 17:28 CEST | Update | - |
| article html file updated | 26 April 2019 19:06 CEST | Update | - |
| article html file updated | 12 April 2019 15:03 CEST | Update | - |
| article html file updated | 3 April 2019 17:38 CEST | Update | - |
| article html file updated | 5 March 2019 05:57 CET | Update | - |
| article html file updated | 28 February 2019 18:54 CET | Update | - |
| article html file updated | 22 February 2019 12:20 CET | Original file | - |
| article pdf uploaded. | 22 February 2019 12:19 CET | Updated version of record | https://www.mdpi.com/2223-7747/8/2/37/pdf |
| article xml uploaded. | 22 February 2019 12:19 CET | Update | https://www.mdpi.com/2223-7747/8/2/37/xml |
| article xml file uploaded | 22 February 2019 12:19 CET | Update | - |
| article pdf uploaded. | 10 February 2019 07:50 CET | Version of Record | https://www.mdpi.com/2223-7747/8/2/37/pdf-vor |
| article xml file uploaded | 10 February 2019 07:50 CET | Original file | - |
