function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Candek, Klemen & Gregoric, Matjaz & Kostanjsek, Rok', 2],
    ['Dankittipakul, Pakawin & Chami-Kranon, Thanaphum', 3],
    ['Dimitrov, Dragomir Kostov & Jaeger, Peter', 1],
    ['Isaia, Marco & Paschetta, Mauro & Chiarle, Alberto', 4],
    ['Liu, Ji-he & Xiao, Yong-hong & Zhang, Meng-zhen & Xu, Xiang', 1],
    ['Liu, Jie & Li, Shuqiang', 1],
    ['Liu, Jie & Li, Shuqiang & Pham, Dinh-Sac', 6],
    ['Luo, Ying & Chen, Jian', 2],
    ['Marusik, Yuri M. & Koponen, Seppo', 1],
    ['Okumura, Ken-ichi', 7],
    ['Paschetta, Mauro & Christille, Claretta & Marguerettaz, Fabio', 5],
    ['WANG, XIN-PING', 6],
    ['Wang, Xin-Ping & Griswold, Charles E. & Ubick, Darrell', 10],
    ['Wang, Xin-Ping & Ono, Hirotsugu', 7],
    ['Xu, Xiang & Li, Shuqiang', 4],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=64)',
    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);