function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cooper, Jerry A. & Leonard, Patrick', 1],
    ['Jarvis, Charlie', 2],
    ['Karunarathna, Samantha C. & Priyashantha, K Hasith', 2],
    ['Larsson, Karl-Henrik & Svantesson, Sten & Miscevic, Diana', 14],
    ['Lei, Lei & Luangharn, Thatsanee & Yu, Feng-Ming & Li, Wei-Jiao', 1],
    ['Mu, Yan-Hong & Hu, Ya-Ping & Wei, Yu-Lian & Yuan, Hai-Sheng', 4],
    ['Nitare, J. & Ainsworth, A. M. & Larsson, E. & Parfitt, D.', 5],
    ['Zhou, Hong-Min & Zhao, Qi & Wang, Qi & Wu, Fang & Dai, Yu-Cheng', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=31)',
    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);