function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Berry, Jocelyn Asha Dr.', 3],
    ['Dale-Skey, Natalie & Askew, Richard R. & Noyes, John S.', 6],
    ['Fallahzadeh, Majid & Japoshvili, George', 7],
    ['Hayat, Mohammad', 2],
    ['Japoshvili, George', 1],
    ['Japoshvili, George & Higashiura, Yoshimitsu & Kamitani, Satoshi', 8],
    ['Jerinić-Prodanović, Dušanka & Mihajlović, Ljubodrag', 4],
    ['Madl, Michael & H, Anicetus & H, Anthemus & W, Cheiloneurus', 2],
    ['Matsunaga, Janis N. & Howarth, Francis G.', 2],
    ['Noyes, John S.', 3],
    ['Noyes, John Stuart', 22],
    ['Percy, Diana M. & Rung, Alessandra & Hoddle, Mark S.', 5],
    ['Singh, Sudhir & Singh, Karan Pal', 4],
    ['Wang, Haiyang & Zhang, Chenghui & Xue, Hao & Xi, Chunxiang', 2],
    ['Zou, Boyu & Hu, Hongying & Zhang, Lanwei & Zhang, Yanzhou', 15],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=90)',
    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);