| article html file updated | 9 February 2020 19:31 CET | Update | https://www.mdpi.com/2079-6374/8/2/51 |
| article html file updated | 4 October 2019 02:01 CEST | Update | - |
| article html file updated | 30 April 2019 15:34 CEST | Update | - |
| article html file updated | 16 April 2019 16:04 CEST | Update | - |
| article html file updated | 30 March 2019 05:46 CET | Update | - |
| article html file updated | 30 May 2018 08:00 CEST | Original file | - |
| article pdf uploaded. | 30 May 2018 07:58 CEST | Version of Record | https://www.mdpi.com/2079-6374/8/2/51/pdf |
| article xml uploaded. | 30 May 2018 07:58 CEST | Update | https://www.mdpi.com/2079-6374/8/2/51/xml |
| article xml file uploaded | 30 May 2018 07:58 CEST | Original file | - |
