| article html file updated | 11 February 2020 14:26 CET | Update | https://www.mdpi.com/2218-1997/5/2/55 |
| article html file updated | 14 October 2019 15:20 CEST | Update | - |
| article html file updated | 26 April 2019 19:54 CEST | Update | - |
| article html file updated | 12 April 2019 15:46 CEST | Update | - |
| article html file updated | 3 April 2019 16:43 CEST | Update | - |
| article html file updated | 1 March 2019 14:54 CET | Update | - |
| article html file updated | 28 February 2019 17:05 CET | Update | - |
| article html file updated | 20 February 2019 07:35 CET | Original file | - |
| article xml uploaded. | 20 February 2019 07:33 CET | Update | https://www.mdpi.com/2218-1997/5/2/55/xml |
| article xml uploaded. | 20 February 2019 07:33 CET | Update | - |
| article pdf uploaded. | 20 February 2019 07:33 CET | Updated version of record | https://www.mdpi.com/2218-1997/5/2/55/pdf |
| article pdf uploaded. | 7 February 2019 15:05 CET | Updated version of record | https://www.mdpi.com/2218-1997/5/2/55/pdf-vor |
| article pdf uploaded. | 7 February 2019 15:03 CET | Version of Record | https://www.mdpi.com/2218-1997/5/2/55/pdf-vor |
| article xml file uploaded | 7 February 2019 15:03 CET | Original file | - |
