function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abramov, Alexei V.', 1],
    ['Bannikova, Anna A. & Zemlemerova, Elena D. & Colangelo, Paolo', 2],
    ['Barrow, Eugenie & Macleod, Norman', 1],
    ['Bui, Hai Tuan & Okabe, Shinya & Le, Linh Tu Hoang', 1],
    ['Chen, Zhong-Zheng & He, Shui-Wang & Hu, Wen-Hao & Song, Wen-Yu', 3],
    ['Gündüz, İslam & Demirtaş, Sadık & Silsüpür, Metin', 4],
    ['James H. Honacki & Kenneth E. Kinman & James W. Koeppl', 47],
    ['Jo, Yeong-Seok & Baccus, John T. & Koprowski, John L.', 3],
    ['Linnaeus, Carolus', 3],
    ['Rainer Hutterer', 62],
    ['Russell A. Mittermeier & Don E. Wilson', 55],
    ['Turni, Hendrik & Hutterer, Rainer & Asher, Robert', 2],
    ['WHIDDEN, HOWARD P.', 160],
    ['Wilson, Don E. & Reeder, DeeAnn', 94],
    ['Zemlemerova, Elena & Bannikova, Anna A. & Lebedev, Vladimir S.', 2],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=448)',
    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);