| article html file updated | 9 February 2020 15:57 CET | Update | https://www.mdpi.com/2077-1312/6/2/48 |
| article html file updated | 3 October 2019 03:35 CEST | Update | N/A |
| article html file updated | 30 April 2019 23:19 CEST | Update | N/A |
| article html file updated | 16 April 2019 23:54 CEST | Update | N/A |
| article html file updated | 29 March 2019 20:46 CET | Update | N/A |
| article html file updated | 28 June 2018 09:05 CEST | Update | N/A |
| article html file updated | 1 May 2018 15:07 CEST | Original file | N/A |
| article pdf uploaded. | 1 May 2018 11:42 CEST | Version of Record | https://www.mdpi.com/2077-1312/6/2/48/pdf |
| article xml uploaded. | 1 May 2018 11:42 CEST | Update | https://www.mdpi.com/2077-1312/6/2/48/xml |
| article xml file uploaded | 1 May 2018 11:42 CEST | Original file | N/A |
