function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Das, Apurva & Pathania, Prakash C. & Singh, Navneet', 217],
    ['Park, Kyu-Tek', 46],
    ['Park, Kyu-Tek & Bae, Yang-Seop', 27],
    ['Park, Kyu-Tek & Koo, Jun-Mo', 24],
    ['Park, Kyu-Tek & Koo, Jun-Mo & Agassiz, David J. L.', 14],
    ['Park, Kyu-Tek & Koo, Jun-Mo & Minet, Joël', 42],
    ['Park, Kyu-Tek & Lee, Sangmi', 18],
    ['Park, Kyu-Tek & Mey, Wolfram & Koo, Jun-Mo & Prins, Jurate De', 40],
    ['Park, Kyu-Tek & Prins, Willy De', 51],
    ['Park, Kyu-Tek & Wu, Chunseng & Kun, Andras & Sohn, And Jae-Cheon', 31],
    ['Park, Kyu-Tek & Yu, Tae-Uk & Karisch, Timm', 14],
    ['Wang, Qingyun & Li, Houhun', 46],
    ['Wang, Yuqi & Park, Kyu-Tek & Wang, Shuxia', 17],
    ['Yu, Shuai & Wang, Shuxia', 183],
    ['Yu, Shuai & Zhu, Yanmei & Wang, Shuxia', 34],
    ['Other (26)', 171]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=975)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);