function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andriollo, Tommy & Landry, Bernard & Guibert, Bastien', 1],
    ['Borges, Paulo A. V. & Gaspar, Clara', 2],
    ['Crabo, Lars G. & Davis, Melanie & Hammond, Paul', 1],
    ['Gyulai, P. & Ronkay, L. & Saldaitis, A.', 2],
    ['Gyulai, Péter', 3],
    ['Kerschbaum, Walter & Standfest, Johann', 1],
    ['Komal, J. & Shashank, P. R. & Sondhi, Sanjay & Madan, Sohail', 1],
    ['Kononenko, Vladimir S. & Volynkin, Anton V. & Yu, Alexei', 3],
    ['Makhov, I. A. & Lukhtanov, V. A. & Matov, A. Yu.', 1],
    ['Pogue, Michael G.', 8],
    ['Rezbanyai-Reser, Ladislaus', 1],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 1],
    ['Volynkin, Anton V. & Dvořák, Marek', 1],
    ['Wymann, Hans-Peter', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=28)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);