| article html file updated | 11 February 2020 14:00 CET | Update | https://www.mdpi.com/2218-1997/5/2/54 |
| article html file updated | 26 April 2019 20:47 CEST | Update | - |
| article html file updated | 12 April 2019 16:35 CEST | Update | - |
| article html file updated | 3 April 2019 15:39 CEST | Update | - |
| article html file updated | 1 March 2019 14:52 CET | Update | - |
| article html file updated | 28 February 2019 14:58 CET | Update | - |
| article html file updated | 20 February 2019 11:52 CET | Original file | - |
| article pdf uploaded. | 20 February 2019 11:49 CET | Updated version of record | https://www.mdpi.com/2218-1997/5/2/54/pdf |
| article xml uploaded. | 20 February 2019 11:49 CET | Update | https://www.mdpi.com/2218-1997/5/2/54/xml |
| article xml file uploaded | 20 February 2019 11:49 CET | Update | - |
| article pdf uploaded. | 5 February 2019 14:21 CET | Version of Record | https://www.mdpi.com/2218-1997/5/2/54/pdf-vor |
| article xml file uploaded | 5 February 2019 14:21 CET | Original file | - |
