| article html file updated | 8 February 2020 01:36 CET | Update | https://www.mdpi.com/2077-1312/5/1/13 |
| article html file updated | 23 September 2019 20:34 CEST | Update | N/A |
| article html file updated | 4 May 2019 06:26 CEST | Update | N/A |
| article html file updated | 27 October 2017 10:57 CEST | Update | N/A |
| article html file updated | 16 March 2017 15:42 CET | Update | N/A |
| article html file updated | 16 March 2017 15:42 CET | Update | N/A |
| article html file updated | 16 March 2017 15:42 CET | Original file | N/A |
| article xml uploaded. | 16 March 2017 15:41 CET | Original file | https://www.mdpi.com/2077-1312/5/1/13/xml |
| article pdf uploaded. | 16 March 2017 15:41 CET | Version of Record | https://www.mdpi.com/2077-1312/5/1/13/pdf |
