| article html file updated | 11 February 2020 17:58 CET | Update | https://www.mdpi.com/2218-273X/9/2/77 |
| article html file updated | 15 October 2019 11:48 CEST | Update | - |
| article html file updated | 26 April 2019 12:40 CEST | Update | - |
| article html file updated | 12 April 2019 08:10 CEST | Update | - |
| article html file updated | 4 April 2019 01:47 CEST | Update | - |
| article html file updated | 4 March 2019 02:47 CET | Update | - |
| article html file updated | 1 March 2019 10:08 CET | Update | - |
| article html file updated | 22 February 2019 11:49 CET | Original file | - |
| article pdf uploaded. | 22 February 2019 11:47 CET | Updated version of record | https://www.mdpi.com/2218-273X/9/2/77/pdf |
| article xml uploaded. | 22 February 2019 11:47 CET | Update | https://www.mdpi.com/2218-273X/9/2/77/xml |
| article xml file uploaded | 22 February 2019 11:47 CET | Update | - |
| article pdf uploaded. | 22 February 2019 11:39 CET | Version of Record | - |
| article xml uploaded. | 22 February 2019 11:39 CET | Update | - |
| article xml file uploaded | 22 February 2019 11:39 CET | Original file | - |