1 January 2016 - 1 January 2019
| DOI | https://doi.org/10.48597/C8RF-H2JW |
|---|---|
| Start time | 1 January 2016 |
| Stop time | 1 January 2019 |
| Valid since | 20 May 2019 19:34:37 |
| DOI | https://doi.org/10.48597/C8RF-H2JW |
|---|---|
| Start time | 1 January 2016 |
| Stop time | 1 January 2019 |
| Valid since | 20 May 2019 19:34:37 |
| DOI | https://doi.org/10.48597/YR69-85NZ |
|---|---|
| Start time | 1 January 2016 |
| Stop time | 1 January 2018 |
| Valid from | 11 April 2018 19:09:20 |
| Valid to | 20 May 2019 19:34:37 |
| DOI | https://doi.org/10.48597/8UBK-YQSA |
|---|---|
| Start time | 1 January 2016 |
| Stop time | 1 January 2017 |
| Valid from | 7 April 2017 11:06:45 |
| Valid to | 11 April 2018 19:09:20 |