| article html file updated | 8 February 2020 01:03 CET | Update | https://www.mdpi.com/2218-2004/5/1/13 |
| article html file updated | 23 September 2019 17:30 CEST | Update | - |
| article html file updated | 4 May 2019 07:37 CEST | Update | - |
| article html file updated | 27 March 2017 09:42 CEST | Update | - |
| article html file updated | 9 March 2017 07:14 CET | Update | - |
| article xml uploaded. | 9 March 2017 07:13 CET | Update | https://www.mdpi.com/2218-2004/5/1/13/xml |
| article pdf uploaded. | 9 March 2017 07:13 CET | Updated version of record | https://www.mdpi.com/2218-2004/5/1/13/pdf |
| article html file updated | 8 March 2017 12:31 CET | Original file | - |
| article pdf uploaded. | 8 March 2017 12:30 CET | Version of Record | https://www.mdpi.com/2218-2004/5/1/13/pdf-vor |
