function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cumberlidge, Neil & Caro, Tim & Watson-Zink, Victoria M.', 2],
    ['Hamasaki, Katsuyuki & Tsuru, Takuma & Sanda, Tetsuya', 5],
    ['Kato, Saori & Hamasaki, Katsuyuki & Dan, Shigeki', 1],
    ['Lemaitre, Rafael & Tavares, Marcos', 1],
    ['Naderloo, Reza & Türkay, Michael', 1],
    ['Perez-Gelabert, Daniel E.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=11)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 6, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);