| article html file updated | 7 February 2020 19:08 CET | Update | https://www.mdpi.com/2076-393X/4/4/47 |
| article html file updated | 22 September 2019 09:02 CEST | Update | N/A |
| article html file updated | 4 May 2019 20:14 CEST | Update | N/A |
| article html file updated | 28 December 2016 11:23 CET | Update | N/A |
| article html file updated | 7 December 2016 09:28 CET | Update | N/A |
| article xml uploaded. | 7 December 2016 09:26 CET | Update | https://www.mdpi.com/2076-393X/4/4/47/xml |
| article xml uploaded. | 7 December 2016 09:26 CET | Update | N/A |
| article pdf uploaded. | 7 December 2016 09:26 CET | Updated version of record | https://www.mdpi.com/2076-393X/4/4/47/pdf |
| article html file updated | 6 December 2016 10:44 CET | Original file | N/A |
| article xml uploaded. | 6 December 2016 10:43 CET | Original file | N/A |
| article pdf uploaded. | 6 December 2016 10:43 CET | Version of Record | https://www.mdpi.com/2076-393X/4/4/47/pdf-vor |
