function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Candek, Klemen & Gregoric, Matjaz & Kostanjsek, Rok', 2],
    ['Dean, David Allen', 72],
    ['Hedin, Marshal & Derkarabetian, Shahan & Blair, Jennifer', 2],
    ['Isaia, Marco & Paschetta, Mauro & Chiarle, Alberto', 1],
    ['Li, Shuqiang & Wang, Xiaoxiao', 10],
    ['Liao, Rongrong & Yin, Haiqiang & He, Ailan & Xu, Xiang', 4],
    ['Lin, Yejie & Li, Shuqiang & Pham, Dinh-Sac', 2],
    ['Menge, A.', 1],
    ['Paquin, Pierre & Dupérré, Nadine', 61],
    ['Shimojana, Matsuei & Ono, Hirotsugu', 1],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 3],
    ['Wang, Lu-Yu & Zhou, Gu-Chun & Peng, Xian-Jin', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=163)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);