| article html file updated | 12 February 2020 07:39 CET | Update | https://www.mdpi.com/2306-5338/6/2/33 |
| article html file updated | 18 October 2019 23:27 CEST | Update | N/A |
| article html file updated | 5 July 2019 06:26 CEST | Update | N/A |
| article html file updated | 13 May 2019 10:44 CEST | Original file | N/A |
| article pdf uploaded. | 13 May 2019 10:42 CEST | Updated version of record | https://www.mdpi.com/2306-5338/6/2/33/pdf |
| article xml uploaded. | 13 May 2019 10:42 CEST | Update | https://www.mdpi.com/2306-5338/6/2/33/xml |
| article xml file uploaded | 13 May 2019 10:42 CEST | Update | N/A |
| article pdf uploaded. | 25 April 2019 08:11 CEST | Version of Record | https://www.mdpi.com/2306-5338/6/2/33/pdf-vor |
| article xml file uploaded | 25 April 2019 08:11 CEST | Original file | N/A |
