function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alarie, Yves', 10],
    ['Borges, Paulo A. V. & Gaspar, Clara', 2],
    ['Budaev, F. A. & Eremeeva, N. I. & Efimov, D. A.', 8],
    ['Darilmaz, Mustafa C. & Kiyak, Suat', 25],
    ['Fery, H. & Pesic, V.', 3],
    ['Fery, H. & ŠġASTNÝ, J.', 2],
    ['Fery, Hans', 7],
    ['Fery, Hans & Erman, Ömer Köksal', 5],
    ['Fery, Hans & Hendrich, Lars', 3],
    ['Hájek, Jirí & Fikácek, Martin', 8],
    ['Jia, Fenglong & Zhao, Shuang & Fery, Hans', 7],
    ['Keller, Oliver & Schnepp, Kyle E. & Ashman, Krystal L.', 4],
    ['Manuel, Michael', 2],
    ['Prokin, A. A. & Sazhnev, A. S.', 2],
    ['Shaverdo, Helena V.', 3],
    ['Other (11)', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=103)',
    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);