| article html file updated | 8 February 2020 17:06 CET | Update | https://www.mdpi.com/2218-2004/5/4/34 |
| article html file updated | 27 September 2019 08:42 CEST | Update | N/A |
| article html file updated | 3 May 2019 00:11 CEST | Update | N/A |
| article html file updated | 2 January 2018 13:16 CET | Update | N/A |
| article html file updated | 26 September 2017 07:59 CEST | Update | N/A |
| article xml uploaded. | 26 September 2017 07:58 CEST | Update | https://www.mdpi.com/2218-2004/5/4/34/xml |
| article pdf uploaded. | 26 September 2017 07:58 CEST | Updated version of record | https://www.mdpi.com/2218-2004/5/4/34/pdf |
| article html file updated | 25 September 2017 12:23 CEST | Original file | N/A |
| article xml uploaded. | 25 September 2017 12:22 CEST | Original file | N/A |
| article pdf uploaded. | 25 September 2017 12:22 CEST | Version of Record | https://www.mdpi.com/2218-2004/5/4/34/pdf-vor |
