| article html file updated | 9 February 2020 17:22 CET | Update | https://www.mdpi.com/2075-1729/8/2/13 |
| article html file updated | 3 October 2019 12:43 CEST | Update | N/A |
| article html file updated | 30 April 2019 20:22 CEST | Update | N/A |
| article html file updated | 16 April 2019 20:49 CEST | Update | N/A |
| article html file updated | 30 March 2019 00:11 CET | Update | N/A |
| article html file updated | 26 June 2018 13:12 CEST | Update | N/A |
| article html file updated | 12 May 2018 09:11 CEST | Update | N/A |
| article xml uploaded. | 12 May 2018 09:10 CEST | Update | https://www.mdpi.com/2075-1729/8/2/13/xml |
| article html file updated | 12 May 2018 09:08 CEST | Original file | N/A |
| article pdf uploaded. | 12 May 2018 09:07 CEST | Version of Record | https://www.mdpi.com/2075-1729/8/2/13/pdf |
| article xml file uploaded | 12 May 2018 09:07 CEST | Original file | N/A |
