| article html file updated | 11 February 2020 16:57 CET | Update | https://www.mdpi.com/2218-273X/9/2/70 |
| article html file updated | 15 October 2019 05:19 CEST | Update | - |
| article html file updated | 26 April 2019 14:53 CEST | Update | - |
| article html file updated | 12 April 2019 10:32 CEST | Update | - |
| article html file updated | 3 April 2019 22:52 CEST | Update | - |
| article html file updated | 4 March 2019 02:46 CET | Update | - |
| article html file updated | 1 March 2019 04:56 CET | Update | - |
| article html file updated | 23 February 2019 10:04 CET | Original file | - |
| article pdf uploaded. | 23 February 2019 10:01 CET | Updated version of record | https://www.mdpi.com/2218-273X/9/2/70/pdf |
| article xml uploaded. | 23 February 2019 10:01 CET | Update | https://www.mdpi.com/2218-273X/9/2/70/xml |
| article xml file uploaded | 23 February 2019 10:01 CET | Update | - |
| article pdf uploaded. | 18 February 2019 16:35 CET | Version of Record | https://www.mdpi.com/2218-273X/9/2/70/pdf-vor |
| article xml file uploaded | 18 February 2019 16:35 CET | Original file | - |