| article html file updated | 8 February 2020 07:02 CET | Update | https://www.mdpi.com/2218-2004/5/2/22 |
| article html file updated | 25 September 2019 02:06 CEST | Update | N/A |
| article html file updated | 3 May 2019 19:48 CEST | Update | N/A |
| article html file updated | 28 June 2017 12:32 CEST | Update | N/A |
| article html file updated | 5 June 2017 10:17 CEST | Original file | N/A |
| article xml uploaded. | 5 June 2017 10:16 CEST | Update | https://www.mdpi.com/2218-2004/5/2/22/xml |
| article pdf uploaded. | 5 June 2017 10:16 CEST | Updated version of record | https://www.mdpi.com/2218-2004/5/2/22/pdf |
| article pdf uploaded. | 30 May 2017 14:32 CEST | Version of Record | https://www.mdpi.com/2218-2004/5/2/22/pdf-vor |
