| article html file updated | 11 February 2020 15:04 CET | Update | https://www.mdpi.com/2218-1997/5/2/57 |
| article html file updated | 26 April 2019 18:35 CEST | Update | N/A |
| article html file updated | 12 April 2019 14:32 CEST | Update | N/A |
| article html file updated | 3 April 2019 18:16 CEST | Update | N/A |
| article html file updated | 1 March 2019 14:55 CET | Update | N/A |
| article html file updated | 28 February 2019 20:19 CET | Update | N/A |
| article html file updated | 23 February 2019 02:42 CET | Original file | N/A |
| article pdf uploaded. | 22 February 2019 09:31 CET | Updated version of record | https://www.mdpi.com/2218-1997/5/2/57/pdf |
| article xml uploaded. | 22 February 2019 09:31 CET | Update | https://www.mdpi.com/2218-1997/5/2/57/xml |
| article xml file uploaded | 22 February 2019 09:31 CET | Update | N/A |
| article pdf uploaded. | 11 February 2019 15:24 CET | Version of Record | https://www.mdpi.com/2218-1997/5/2/57/pdf-vor |
| article xml file uploaded | 11 February 2019 15:24 CET | Original file | N/A |