function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bidzilya, Oleksiy V. & Budashkin, Yury I. & Zhakov, Aleksandr V.', 44],
    ['D’Entrèves, Pietro Passerin & Bengtsson, Bengt Å.', 2],
    ['D’Entrèves, Pietro Passerin & Roggero, Angela', 10],
    ['Huemer, Peter & Van Nieukerken, Erik J.', 2],
    ['Landry, Jean-François & Nazari, Vazrick & Dewaard, Jeremy R.', 1],
    ['Lou, Kang & You, Wanxue & Huang, Zhilin & Li, Houhun', 25],
    ['Mbata, Keith J. & Prins, Jurate De', 1],
    ['Nupponen 1, Kari & Sihvonen, Pasi', 23],
    ['Nupponen, Kari', 4],
    ['Nupponen, Kari & Saldaitis, Aidas', 3],
    ['Philpott, Alfred', 1],
    ['d, Pietro Passerin & Entrèves & Roggero, Angela', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=118)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);