{"text_format":"3","workbook":"xls","n_sheets":3,"sheets":["Sheet1","Sheet2","Sheet3"],"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"Sheet1","index":0,"n_rows":9,"n_cols":3,"rows_kept":9,"merged":[[0,0,0,3],[1,0,1,1],[1,2,1,3],[2,0,2,1],[2,2,2,3],[2,4,2,6],[3,2,3,3],[3,4,3,6],[4,2,4,3],[4,4,4,6],[5,0,5,1],[5,2,5,3],[6,2,6,3],[7,2,7,3],[8,2,8,3]],"flags":["formulas_cached_only"]}
["Table 2. Characteristics of progressive and recurrent events among NB patients"]
["Time point of progression and recurrence events ",null,"Number (n=36)"]
["Progression ",null,31]
[null,"After surgery or stem cell harvest",5]
[null,"Maintenance stage",26]
["Recurrence (Stop treatment for)",null,5]
[null,"3-6 months",2]
[null,"6-12 months",2]
[null,"Over 12 months",1]

{"sheet":"Sheet2","index":1,"n_rows":0,"n_cols":0,"rows_kept":0,"flags":["formulas_cached_only"]}

{"sheet":"Sheet3","index":2,"n_rows":0,"n_cols":0,"rows_kept":0,"flags":["formulas_cached_only"]}