function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andréfouët, Serge & Chen, Wei-Jen & Kinch, Jeff & Mana, Ralph', 1],
    ['Cadenat, J.', 1],
    ['Matsunuma, Mizuki', 2],
    ['Matsunuma, Mizuki & Motomura, Hiroyuki', 1],
    ['Psomadakis, Peter N. & Gon, Ofer & Htut, Thaung', 2],
    ['Tang, Chi-Ngai & Matsunuma, Mizuki', 9],
    ['Weber, M.', 1],
    ['Williams, Jeffrey T. & Carpenter, Kent E.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=18)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);