| article html file updated | 9 February 2020 18:46 CET | Update | https://www.mdpi.com/2218-2004/6/2/29 |
| article html file updated | 3 October 2019 21:37 CEST | Update | N/A |
| article html file updated | 30 April 2019 17:16 CEST | Update | N/A |
| article html file updated | 16 April 2019 17:42 CEST | Update | N/A |
| article html file updated | 30 March 2019 03:57 CET | Update | N/A |
| article html file updated | 27 June 2018 11:42 CEST | Update | N/A |
| article html file updated | 23 May 2018 15:23 CEST | Original file | N/A |
| article pdf uploaded. | 23 May 2018 15:21 CEST | Version of Record | https://www.mdpi.com/2218-2004/6/2/29/pdf |
| article xml uploaded. | 23 May 2018 15:21 CEST | Update | https://www.mdpi.com/2218-2004/6/2/29/xml |
| article xml file uploaded | 23 May 2018 15:21 CEST | Original file | N/A |
