| article html file updated | 9 February 2020 19:33 CET | Update | https://www.mdpi.com/2218-0532/86/2/21 |
| article html file updated | 4 October 2019 02:14 CEST | Update | N/A |
| article html file updated | 30 April 2019 15:28 CEST | Update | N/A |
| article html file updated | 16 April 2019 15:59 CEST | Update | N/A |
| article html file updated | 30 March 2019 05:52 CET | Update | N/A |
| article html file updated | 27 June 2018 13:23 CEST | Update | N/A |
| article html file updated | 30 May 2018 17:45 CEST | Original file | N/A |
| article pdf uploaded. | 30 May 2018 11:10 CEST | Version of Record | https://www.mdpi.com/2218-0532/86/2/21/pdf |
| article xml uploaded. | 30 May 2018 11:10 CEST | Update | https://www.mdpi.com/2218-0532/86/2/21/xml |
| article xml file uploaded | 30 May 2018 11:10 CEST | Original file | N/A |