| article html file updated | 11 February 2020 14:24 CET | Update | https://www.mdpi.com/2218-273X/9/2/55 |
| article html file updated | 14 October 2019 15:11 CEST | Update | - |
| article html file updated | 26 April 2019 19:58 CEST | Update | - |
| article html file updated | 12 April 2019 15:49 CEST | Update | - |
| article html file updated | 3 April 2019 16:39 CEST | Update | - |
| article html file updated | 4 March 2019 02:43 CET | Update | - |
| article html file updated | 28 February 2019 16:57 CET | Update | - |
| article html file updated | 20 February 2019 14:00 CET | Original file | - |
| article xml file uploaded | 20 February 2019 13:58 CET | Update | https://www.mdpi.com/2218-273X/9/2/55/xml |
| article pdf uploaded. | 20 February 2019 13:58 CET | Updated version of record | https://www.mdpi.com/2218-273X/9/2/55/pdf |
| article pdf uploaded. | 20 February 2019 13:54 CET | Updated version of record | https://www.mdpi.com/2218-273X/9/2/55/pdf-vor |
| article xml file uploaded | 20 February 2019 13:54 CET | Update | - |
| article pdf uploaded. | 20 February 2019 13:44 CET | Updated version of record | https://www.mdpi.com/2218-273X/9/2/55/pdf-vor |
| article xml uploaded. | 20 February 2019 13:44 CET | Update | - |
| article xml file uploaded | 20 February 2019 13:44 CET | Update | - |
| article pdf uploaded. | 7 February 2019 13:34 CET | Version of Record | https://www.mdpi.com/2218-273X/9/2/55/pdf-vor |
| article xml file uploaded | 7 February 2019 13:34 CET | Original file | - |