function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Candek, Klemen & Gregoric, Matjaz & Kostanjsek, Rok', 7],
    ['Chu, Chang & Lin, Yejie & Li, Shuqiang', 15],
    ['Crespo, Luis C & Domenech, Marc & Enguidanos, Alba', 7],
    ['Dean, David Allen', 7],
    ['Duperre, Nadine & Harms, Danilo', 3],
    ['Huang, Gui-Qiang & Zhang, Zhi-Sheng & Liu, Ying-Hong', 7],
    ['Li, Shuqiang & Wang, Xiaoxiao', 10],
    ['Liao, Rongrong & Yin, Haiqiang & He, Ailan & Xu, Xiang', 4],
    ['Paquin, Pierre & Dupérré, Nadine', 61],
    ['Rivera-Quiroz, Francisco Andrés & Petcharad, Booppa', 5],
    ['Rubio, Gonzalo D. & Lo-Man-Hung, Nancy F. & Iuri, Hernán A.', 5],
    ['Růžička, Vlastimil', 9],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 5],
    ['Zhang, Zhi-Sheng & Li, Shuqiang & Pham, Dinh-Sac', 10],
    ['Zhang, Zhi-Sheng & Li, Shuqiang & Zheng, Guo', 7],
    ['Other (29)', 50]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=212)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);