function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Candek, Klemen & Gregoric, Matjaz & Kostanjsek, Rok', 9],
    ['Dankittipakul, Pakawin & Chami-Kranon, Thanaphum', 7],
    ['Deltshev, Christo & Komnenov, Marjan & Blagoev, Gergin', 6],
    ['Isaia, Marco & Paschetta, Mauro & Chiarle, Alberto', 7],
    ['Li, Bing & Zhao, Zhe & Chen, Haifeng & Wu, Zhiyan & Li, Shuqiang', 11],
    ['Liu, Jie & Li, Shuqiang', 9],
    ['Marusik, Yuri M. & Otto, S. & Japoshvili, G.', 11],
    ['Milledge, G. A.', 19],
    ['Paschetta, Mauro & Christille, Claretta & Marguerettaz, Fabio', 9],
    ['Wang, Xin-Ping & Griswold, Charles E. & Ubick, Darrell', 10],
    ['Wang, Xin-Ping & Ono, Hirotsugu', 8],
    ['Wang, Xin-Ping & Xu, Xiang & Li, Shuqiang', 6],
    ['Xu, Xiang & Li, Shuqiang', 15],
    ['Xu, Xiang & Li, Shuqiang & Wang, Xin-Ping', 6],
    ['Zhao, Jing-Xia & Wang, Lu-Yu & Irfan, Muhammad', 20],
    ['Other (35)', 70]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=223)',
    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);