| article html file updated | 9 February 2020 20:33 CET | Update | https://www.mdpi.com/2311-5637/4/2/39 |
| article html file updated | 4 October 2019 08:31 CEST | Update | - |
| article html file updated | 30 April 2019 13:10 CEST | Update | - |
| article html file updated | 16 April 2019 13:48 CEST | Update | - |
| article html file updated | 16 April 2019 08:10 CEST | Update | - |
| article html file updated | 30 March 2019 08:22 CET | Update | - |
| article html file updated | 28 June 2018 05:41 CEST | Update | - |
| article html file updated | 7 June 2018 03:56 CEST | Original file | - |
| article pdf uploaded. | 7 June 2018 03:55 CEST | Version of Record | https://www.mdpi.com/2311-5637/4/2/39/pdf |
| article xml uploaded. | 7 June 2018 03:55 CEST | Update | https://www.mdpi.com/2311-5637/4/2/39/xml |
| article xml file uploaded | 7 June 2018 03:55 CEST | Original file | - |
