| article html file updated | 9 February 2020 19:12 CET | Update | https://www.mdpi.com/2075-1702/6/2/22 |
| article html file updated | 4 October 2019 00:09 CEST | Update | N/A |
| article html file updated | 30 April 2019 16:19 CEST | Update | N/A |
| article html file updated | 16 April 2019 16:47 CEST | Update | N/A |
| article html file updated | 30 March 2019 05:00 CET | Update | N/A |
| article html file updated | 26 June 2018 05:35 CEST | Update | N/A |
| article html file updated | 29 May 2018 05:14 CEST | Update | N/A |
| article xml uploaded. | 29 May 2018 05:12 CEST | Update | https://www.mdpi.com/2075-1702/6/2/22/xml |
| article pdf uploaded. | 29 May 2018 05:12 CEST | Updated version of record | https://www.mdpi.com/2075-1702/6/2/22/pdf |
| article html file updated | 27 May 2018 10:03 CEST | Original file | N/A |
| article pdf uploaded. | 27 May 2018 10:01 CEST | Version of Record | https://www.mdpi.com/2075-1702/6/2/22/pdf-vor |
| article xml file uploaded | 27 May 2018 10:01 CEST | Original file | N/A |
