add swin_unetr btcv tutorial

Signed-off-by: ahatamizadeh <[email protected]>

Author: ahatamiz

3d_segmentation/swin_unetr_btcv_segmentation_3d.ipynb

@@ -55,9 +55,9 @@
     "\n",
     "If you find this tutorial helpful, please consider citing [1] and [2]:\n",
     "\n",
-    "**[1]: Tang, Y., Yang, D., Li, W., Roth, H., Landman, B., Xu, D., Nath, V. and Hatamizadeh, A., 2021. Self-supervised pre-training of swin transformers for 3d medical image analysis. arXiv preprint arXiv:2111.14791.**\n",
+    "[1]: Tang, Y., Yang, D., Li, W., Roth, H., Landman, B., Xu, D., Nath, V. and Hatamizadeh, A., 2021. Self-supervised pre-training of swin transformers for 3d medical image analysis. arXiv preprint arXiv:2111.14791.\n",
     "\n",
-    "**[2]: Hatamizadeh, A., Nath, V., Tang, Y., Yang, D., Roth, H. and Xu, D., 2022. Swin UNETR: Swin Transformers for Semantic Segmentation of Brain Tumors in MRI Images. arXiv preprint arXiv:2201.01266.**\n"
+    "[2]: Hatamizadeh, A., Nath, V., Tang, Y., Yang, D., Roth, H. and Xu, D., 2022. Swin UNETR: Swin Transformers for Semantic Segmentation of Brain Tumors in MRI Images. arXiv preprint arXiv:2201.01266.\n"
    ]
   },
   {